Topic leaderboard
CPC E04D
Ranked by the PatentIndex Score — a 1–99 percentile within E04D · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest E04D patents became public in the last 2 years — the current frontier
- 199Brian Cecil Stearns51 patents · 1,704 citations
- 296Matti Kiik46 patents · 1,991 citations
- 392Robert L. Jenkins64 patents · 2,195 citations
- 488Michael L. Bryson22 patents · 1,150 citations
- 583Ming Liang Shiao101 patents · 1,063 citations
- 679Adem Chich51 patents · 664 citations
- 775Thierry Nguyen24 patents · 547 citations
- 871Joel F. Barker18 patents · 297 citations
- 967Michael J. Hubbard64 patents · 796 citations
- 1063John E. Nemazi13 patents · 307 citations
- 1158Arthur J. Valentz12 patents · 302 citations
- 1254Richard Perkins15 patents · 383 citations
- 1350Robert C. Lenney47 patents · 508 citations
- 1446Gabriela Bunea13 patents · 359 citations
- 1542Dustin M.M. Haddock23 patents · 567 citations
- 1638Christopher J. Griffin14 patents · 254 citations
- 1733Alexander Grant Bornemann13 patents · 346 citations
- 1829James E. Ealer, Sr.17 patents · 470 citations
- 1925Paul G. Wilson17 patents · 274 citations
- 2021Brian S. Alexander12 patents · 332 citations
- 2117Gregory S. Daniels24 patents · 418 citations
- 2213Olan Leitch40 patents · 528 citations
- 238Edward R. Harrington23 patents · 283 citations
- 244Margie A. Beerer12 patents · 240 citations
- 251Walter Zarate18 patents · 315 citations
Active· last 5 yrs
Sustained E04D output across the last 5 years
- 199Husnu M. Kalkanoglu132 patents · 3,625 citations
- 296Brian Cecil Stearns51 patents · 1,704 citations
- 392Douglas Timothy Lounsbury26 patents · 829 citations
- 488Robert D. Livsey11 patents · 674 citations
- 583Michael J. Noone32 patents · 2,334 citations
- 679Matti Kiik46 patents · 1,991 citations
- 775Gregory F. Jacobs112 patents · 2,311 citations
- 871Robert L. Jenkins64 patents · 2,195 citations
- 967Peter Chihlas19 patents · 946 citations
- 1063Christopher C. Fisher13 patents · 629 citations
- 1158Michael L. Bryson22 patents · 1,150 citations
- 1254James S. Belt31 patents · 1,099 citations
- 1350Michael Shawn Jacob6 patents · 591 citations
- 1446Bert W. Elliott51 patents · 1,264 citations
- 1542Stephen A. Koch35 patents · 991 citations
- 1638John B. Letts13 patents · 637 citations
- 1733Ming Liang Shiao101 patents · 1,063 citations
- 1829Sudhir Railkar35 patents · 1,009 citations
- 1925Stephen W. Steffes14 patents · 324 citations
- 2021Joseph Charles Gombarick7 patents · 307 citations
- 2117Michael E. Blackburn7 patents · 307 citations
- 2213Thomas L. Schuman24 patents · 423 citations
- 238Robert J. Alderman36 patents · 1,246 citations
- 244Adem Chich51 patents · 664 citations
- 251John L. Bennett18 patents · 374 citations
All-time canon
Career PatentIndex Score in E04D
- 199Thomas L. Dinwoodie6 patents · 1,521 citations
- 296Robert M. M. Haddock20 patents · 2,139 citations
- 392Masahiro Mori11 patents · 1,581 citations
- 488Husnu M. Kalkanoglu132 patents · 3,625 citations
- 583Brian Cecil Stearns51 patents · 1,704 citations
- 679Douglas Timothy Lounsbury26 patents · 829 citations
- 775Robert D. Livsey11 patents · 674 citations
- 871Brian G. Randall13 patents · 1,657 citations
- 967Michael J. Noone32 patents · 2,334 citations
- 1063Charles W. Lehnert9 patents · 1,254 citations
- 1158David Scott Porter40 patents · 532 citations
- 1254Emmett Dudley Crawford40 patents · 532 citations
- 1350Gary Wayne Connell40 patents · 532 citations
- 1446Kimitoshi Fukae11 patents · 1,202 citations
- 1542Toshihiko Mimura7 patents · 967 citations
- 1638Kermit E. Stahl32 patents · 2,234 citations
- 1733Matti Kiik46 patents · 1,991 citations
- 1829Gregory F. Jacobs112 patents · 2,311 citations
- 1925Takashi Ohtsuka8 patents · 900 citations
- 2021Robert L. Jenkins64 patents · 2,195 citations
- 2117George W. Mehrer14 patents · 1,246 citations
- 2213Akiharu Takabayashi7 patents · 853 citations
- 238Louis N. Giannuzzi9 patents · 964 citations
- 244Peter Chihlas19 patents · 946 citations
- 251Edward Higginbotham11 patents · 746 citations
Rising· last 2 yrs
The top-scoring E04D patents made public in the last 2 years
- 199US12057801B1✦ AIDevices and systems for mounting solar panels to metal roofs16 cites · 202489% earned
- 296US12215501B2✦ AIGutter guard system9 cites · 202487% earned
- 392US11885441B1✦ AITelescopic drainpipe assembly8 cites · 202486% earned
- 488US12320138B1Mailbox post protector with internal toolless interlock3 cites · 202580% earned
- 583US12065847B1Skylight leak repair2 cites · 202467% earned
- 679US12104382B1Roofing drip edge device and a method of installing a roofing drip edge device2 cites · 202467% earned
- 775US12163335B1Drainage junction shield2 cites · 202476% earned
- 871US11929704B1Method and system for securing a solar panel to a tile roof3 cites · 202480% earned
- 967USD1084241SMesh gutter cover4 cites · 202567% earned
- 1063US12345041B1Integrated joint sealing system2 cites · 202561% earned
- 1158US12352047B2Structural insulated sheathing panel methods of use2 cites · 202461% earned
- 1254US12179238B2Debris clearing system and method2 cites · 202467% earned
- 1350US11866942B1Cryogenic trench/trough apparatus and method2 cites · 202455% earned
- 1446US12503855B2Pedestal and support structure for tile1 cites · 202444% earned
- 1542US12359432B2Fastener plate for securing an underlayment to a roof surface1 cites · 202446% earned
- 1638US12523041B2Gutter guard with girder1 cites · 202450% earned
- 1733US12559945B2Domed or raised drain inlet strainers1 cites · 202450% earned
- 1829US12428842B2Multi-layered thermoplastic roofing membranes1 cites · 202456% earned
- 1925US12305398B2Gutter and downspout cleaning device and method1 cites · 202456% earned
- 2021US12202228B2Flashing assemblies and related systems and methods1 cites · 202456% earned
- 2117US12098551B2Modular assemblies for gutter guard systems with customizable main bodies2 cites · 202476% earned
- 2213US12534916B2Mounting device for a metal panel1 cites · 202467% earned
- 238US12421727B1System and method for mounting adjustable roof brackets2 cites · 202576% earned
- 244US12486614B1Magnetic-responsive compositions for roofing materials1 cites · 202567% earned
- 251US12173504B2Roof window with a set of hinges2 cites · 202476% earned
Active· last 5 yrs
The top-scoring E04D patents of the last 5 years
- 199US10990069B1✦ AISystems and methods for monitoring building health102 cites · 202182% earned
- 296US11251744B1✦ AIPhotovoltaic shingles and methods of installing same79 cites · 202286% earned
- 392US11283394B2✦ AIPhotovoltaic module with textured superstrate providing shingle-mimicking appearance78 cites · 202189% earned
- 488US11824486B2Roofing shingles for mimicking the appearance of photovoltaic modules45 cites · 202387% earned
- 583US11431281B2Photovoltaic module with light-scattering encapsulant providing shingle-mimicking appearan65 cites · 202192% earned
- 679US11689149B2Mounting apparatus for photovoltaic modules49 cites · 202383% earned
- 775US11512480B1Roof material storage bracket47 cites · 202288% earned
- 871US11728759B2Photovoltaic modules for commercial roofing46 cites · 202388% earned
- 967US11459757B2Watershedding features for roofing shingles46 cites · 202288% earned
- 1063US11496088B2Photovoltaic module for a roof with continuous fiber tape45 cites · 202285% earned
- 1158US11661745B2Roofing shingles with handles45 cites · 202387% earned
- 1254US11545928B2Solar roofing system50 cites · 202288% earned
- 1350US11454027B2System of roofing and photovoltaic shingles and methods of installing same45 cites · 202285% earned
- 1446US11431280B2System and method for improving color appearance of solar roofs62 cites · 202188% earned
- 1542US12057801B1Devices and systems for mounting solar panels to metal roofs16 cites · 202489% earned
- 1638US11352793B2Mounting device for a metal roof25 cites · 202177% earned
- 1733US11486134B2Structural attachment sealing system23 cites · 202173% earned
- 1829US11041310B1Mounting device for controlling uplift of a metal roof25 cites · 202186% earned
- 1925US11336222B1Universal clamp assembly20 cites · 202285% earned
- 2021US11920350B2Drainage device equipped with an attachment sleeve for construction, particularly a buildi13 cites · 202288% earned
- 2117US11149431B1Adjustable brackets for installing building attachments21 cites · 202190% earned
- 2213US12018489B2Domed roof drain strainer assembly14 cites · 202180% earned
- 238US11441305B1Device for preventing drain blockage11 cites · 202288% earned
- 244US10995497B1Furring and flashing strip system18 cites · 202189% earned
- 251US11371239B2Below top of wall ventilation screed device and assembly12 cites · 202176% earned
All-time canon
The defining E04D patents of the whole record
- 199US6105317A✦ AIMounting system for installing an array of solar battery modules of a panel-like configura533 cites · 200095% earned
- 296US4299070A✦ AIBox formed building panel of extruded plastic423 cites · 198195% earned
- 392US6360491B1✦ AIRoof support system for a solar panel412 cites · 200295% earned
- 488US5505788AThermally regulated photovoltaic roofing assembly411 cites · 199695% earned
- 583US5571338APhotovoltaic module and a photovoltaic apparatus403 cites · 199695% earned
- 679US5409549ASolar cell module panel394 cites · 199595% earned
- 775US4100710ATongue-groove connection391 cites · 197895% earned
- 871US5349796ABuilding panel and method389 cites · 199495% earned
- 967US5232518APhotovoltaic roof system380 cites · 199394% earned
- 1063US4641469APrefabricated insulating panels362 cites · 198794% earned
- 1158US6093884ASolar cell module, solar cell array having the module, power generation apparatus using th321 cites · 200094% earned
- 1254US4717614AAsphalt shingle312 cites · 198894% earned
- 1350US4557091AExtruded structural system310 cites · 198594% earned
- 1446US5437735APhotovoltaic shingle system308 cites · 199594% earned
- 1542US7435897B2Apparatus and method for mounting photovoltaic power generating systems on buildings307 cites · 200594% earned
- 1638US5575861APhotovoltaic shingle system300 cites · 199694% earned
- 1733US5164020ASolar panel299 cites · 199294% earned
- 1829US4196554ARoof panel joint296 cites · 198094% earned
- 1925US4860513ARoofing fastener294 cites · 198994% earned
- 2021US5092939APhotovoltaic roof and method of making same293 cites · 199294% earned
- 2117US4647496AUse of fibrous mat-faced gypsum board in exterior finishing systems for buildings281 cites · 198794% earned
- 2213US4040867ASolar cell shingle279 cites · 197794% earned
- 238US5050362AConstructional panels274 cites · 199194% earned
- 244US6256960B1Modular building construction and components thereof273 cites · 200194% earned
- 251US6061978AVented cavity radiant barrier assembly and method262 cites · 200094% earned
Rising· last 2 yrs
Assignees whose newest E04D patents became public in the last 2 years — the current frontier
- 199STATE FARM MUTUAL AUTOMOBILE INSURANCE CO18 patents · 621 citations
- 296JOHNS MANVILLE95 patents · 1,541 citations
- 392OWENS CORNING INTELLECTUAL CAPITAL LLC96 patents · 676 citations
- 488GAF Energy LLC41 patents · 782 citations
- 583VERMONT SLATE & COPPER SERVICES INC16 patents · 348 citations
- 679RMH TECH LLC19 patents · 324 citations
- 775VKR HOLDING AS89 patents · 702 citations
- 871METAL ERA INC21 patents · 389 citations
- 967ECOFASTEN SOLAR LLC11 patents · 121 citations
- 1063UNIRAC INC17 patents · 136 citations
- 1158GUTTERGLOVE INC42 patents · 155 citations
- 1254TABIBNIA RAMIN7 patents · 144 citations
- 1350HUBER ENG WOODS LLC12 patents · 69 citations
- 1446NAT NAIL CORP7 patents · 192 citations
- 1542DETEC SYSTEMS LLC11 patents · 177 citations
- 1638NUCOR CORP15 patents · 210 citations
- 1733BROCHU STEPHANE17 patents · 135 citations
- 1829LEAFFILTER NORTH LLC24 patents · 75 citations
- 1925GARLAND IND INC18 patents · 68 citations
- 2021ARGUELLES DANIEL EFRAIN7 patents · 70 citations
- 2117SUNMODO CORP4 patents · 200 citations
- 2213SIPLAST INC5 patents · 135 citations
- 238ROOFERS' ADVANTAGE PRODUCTS LLC17 patents · 61 citations
- 244LOUISIANA PACIFIC CORP8 patents · 76 citations
- 251BMIC LLC141 patents · 96 citations
Active· last 5 yrs
Sustained E04D output across the last 5 years
- 199STATE FARM MUTUAL AUTOMOBILE INSURANCE CO18 patents · 621 citations
- 296JOHNS MANVILLE95 patents · 1,541 citations
- 3923M INNOVATIVE PROPERTIES CO17 patents · 494 citations
- 488KANEKA CORP10 patents · 500 citations
- 583OWENS CORNING INTELLECTUAL CAPITAL LLC96 patents · 676 citations
- 679GAF Energy LLC41 patents · 782 citations
- 775LENNEY ROBERT C7 patents · 354 citations
- 871SOLATUBE INT INC29 patents · 879 citations
- 967ALDERMAN ROBERT J10 patents · 393 citations
- 1063VERMONT SLATE & COPPER SERVICES INC16 patents · 348 citations
- 1158DANIELS GREGORY S21 patents · 451 citations
- 1254KNUDSON GARY ART8 patents · 349 citations
- 1350RMH TECH LLC19 patents · 324 citations
- 1446BUILDING MAT INVESTMENT CORP57 patents · 491 citations
- 1542VKR HOLDING AS89 patents · 702 citations
- 1638EPIC METALS CORP7 patents · 280 citations
- 1733METAL ERA INC21 patents · 389 citations
- 1829ECOFASTEN SOLAR LLC11 patents · 121 citations
- 1925FRAUNHOFER GES FORSCHUNG6 patents · 208 citations
- 2021SOLSERA INC9 patents · 142 citations
- 2117HEADER GREGORY A8 patents · 211 citations
- 2213UNIRAC INC17 patents · 136 citations
- 238OATEY CO6 patents · 315 citations
- 244ULTRAFRAME UK LTD28 patents · 304 citations
- 251FIRESTONE BUILDING PROD CO LLC62 patents · 336 citations
All-time canon
All-time PatentIndex Score in E04D
- 199UNITED SOLAR SYSTEMS CORP5 patents · 1,409 citations
- 296CANON KK18 patents · 2,430 citations
- 392CERTAIN TEED CORP176 patents · 6,512 citations
- 488STEARNS BRIAN CECIL13 patents · 832 citations
- 583POWERLIGHT CORP5 patents · 1,083 citations
- 679GEORGIA PACIFIC CORP12 patents · 1,566 citations
- 775EASTMAN CHEM CO29 patents · 431 citations
- 871STATE FARM MUTUAL AUTOMOBILE INSURANCE CO18 patents · 621 citations
- 967ELK PREMIUM BUILDING PROD INC14 patents · 1,079 citations
- 1063ELK CORP DALLAS14 patents · 1,543 citations
- 1158MASONITE CORP13 patents · 1,070 citations
- 1254OWENS CORNING FIBERGLASS CORP20 patents · 1,410 citations
- 1350OBDYKE BENJAMIN INC17 patents · 1,305 citations
- 1446GIANNUZZI LOUIS6 patents · 750 citations
- 1542GRACE W R & CO29 patents · 1,607 citations
- 1638HADDOCK ROBERT M M9 patents · 719 citations
- 1733OWENS CORNING FIBERGLAS TECH69 patents · 2,721 citations
- 1829MCPHEETERS GREG8 patents · 302 citations
- 1925BRIDGESTONE FIRESTONE INC25 patents · 1,450 citations
- 2021MINNESOTA MINING & MFG23 patents · 1,366 citations
- 2117GAF CORP14 patents · 1,042 citations
- 2213BUILDING MATERIALS INVEST CORP75 patents · 2,387 citations
- 238ILLINOIS TOOL WORKS55 patents · 2,212 citations
- 244JENKINS ROBERT L11 patents · 546 citations
- 251JOHNS MANVILLE95 patents · 1,541 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth