Inventor · disambiguated record
Charles R. Sperry
Also filed as: SPERRY CHARLES · SPERRY CHARLES R · SPERRY CHARLES RICHARD
71 granted patents·18 pending applications·3,742 citations·filing 1974–2024
99Inventor score
Top patents by PatentIndex Score
89 records- 0199US7429304B2High-speed apparatus and method for forming inflated chambersSEALED AIR CORP·Filed 2005·Granted Sep 30, 2008·55 cites·15 claims
- 0298US6550229B2Device for sealing two plies of film together, particularly for enclosing a foamable composition in a flexible containerSEALED AIR CORP·Filed 2001·Granted Apr 22, 2003·123 cites·24 claims
- 0398US5376219AHigh speed apparatus for forming foam cushions for packaging purposesSEALED AIR CORP·Filed 1991·Granted Dec 27, 1994·157 cites·14 claims
- 0498US4800708AApparatus and method for forming foam cushions for packaging purposesSEALED AIR CORP·Filed 1987·Granted Jan 31, 1989·139 cites·16 claims
- 0597US7614866B2Solid imaging apparatus and method3D SYSTEMS INC·Filed 2007·Granted Nov 10, 2009·83 cites·22 claims
- 0697US7607911B2Method and apparatus for making foam-in-place cushions with selective distribution of foamSEALED AIR CORP·Filed 2006·Granted Oct 27, 2009·65 cites·14 claims
- 0797US7467939B2Material delivery tension and tracking system for use in solid imaging3D SYSTEMS INC·Filed 2006·Granted Dec 23, 2008·40 cites·11 claims
- 0897US7220476B2Apparatus and method for forming inflated chambersSEALED AIR CORP·Filed 2002·Granted May 22, 2007·81 cites·11 claims
- 0996US6651406B2Apparatus and method for forming inflated containersSEALED AIR CORP·Filed 2001·Granted Nov 25, 2003·83 cites·20 claims
- 1096US6569283B1Inflator/sealer device for inflatable packaging cushionSEALED AIR CORP·Filed 2000·Granted May 27, 2003·77 cites·13 claims
- 1196US6276532B1Inflatable packaging cushion with a resistance wireSEALED AIR CORP·Filed 2000·Granted Aug 21, 2001·64 cites·24 claims
- 1296US5727370AApparatus and method for producing foam cushions utilizing flexible foam mixing chamberFLEXIBLE PRODUCTS CO·Filed 1996·Granted Mar 17, 1998·109 cites·52 claims
- 1396US3945569AFoam dispensing apparatusINSTAPAK CORP·Filed 1974·Granted Mar 23, 1976·74 cites·14 claims
- 1495US8105066B2Cartridge for solid imaging apparatus and methodSPERRY C R·Filed 2007·Granted Jan 31, 2012·35 cites·18 claims
- 1595US7721781B2Apparatus and method for forming inflated chambersSEALED AIR CORP·Filed 2006·Granted May 25, 2010·32 cites·12 claims
- 1695US6598373B2Apparatus and method for forming inflated containersSEALED AIR CORP·Filed 2001·Granted Jul 29, 2003·61 cites·19 claims
- 1795US6472638B1Apparatus and method for producing bags and foam-in-bag cushionsSEALED AIR CORP·Filed 2000·Granted Oct 29, 2002·55 cites·28 claims
- 1895US5679208AHigh speed apparatus for forming foam cushions for packaging purposesSEALED AIR CORP·Filed 1996·Granted Oct 21, 1997·97 cites·4 claims
- 1994US8465689B2Elevator and method for tilting solid image build platform for reducing air entrainment and for build releaseSPERRY C R·Filed 2011·Granted Jun 18, 2013·56 cites·8 claims
- 2094US6804933B2Apparatus and method for forming inflated containersSEALED AIR CORP·Filed 2003·Granted Oct 19, 2004·51 cites·20 claims
- 2194US5964378ADispensing system, components of a dispensing system, and method of manufacturing, operating and servicing a dispensing system and components thereofCARPENTER CO·Filed 1997·Granted Oct 12, 1999·69 cites·71 claims
- 2294US4938007AApparatus and method for forming foam cushions for packaging purposesSEALED AIR CORP·Filed 1988·Granted Jul 3, 1990·76 cites·3 claims
- 2393US4568003ADetachable mixing chamber for a fluid dispensing apparatusSEALED AIR CORP·Filed 1984·Granted Feb 4, 1986·86 cites·21 claims
- 2492US8372459B2Cooking apparatus and method of cookingCRYOVAC INC·Filed 2010·Granted Feb 12, 2013·18 cites·33 claims
- 2592US5575435AHigh speed apparatus for forming foam cushions for packaging purposesSEALED AIR CORP·Filed 1994·Granted Nov 19, 1996·57 cites·12 claims
- 2691US6675557B2Apparatus for dispensing fluid into pre-formed, flexible containers and enclosing the fluid within the containersSEALED AIR CORP·Filed 2001·Granted Jan 13, 2004·38 cites·11 claims
- 2791US6234777B1Automated cushion forming systemCARPENTER CO·Filed 1998·Granted May 22, 2001·81 cites·29 claims
- 2891US6003288ACompact packaging device for forming foam filled cushions for packaging purposesSEALED AIR CORP·Filed 1995·Granted Dec 21, 1999·106 cites·7 claims
- 2991US5255847ATip for a foam in place injection cartridgeSEALED AIR CORP·Filed 1991·Granted Oct 26, 1993·74 cites·1 claims
- 3090US7906061B2Bubble-free cross-sections for use in solid imaging3D SYSTEMS INC·Filed 2006·Granted Mar 15, 2011·14 cites·9 claims
- 3190US5996848ADispensing system, components of a dispensing system, and method of manufacturing, operating and servicing a dispensing system and components thereofCARPENTER CO·Filed 1997·Granted Dec 7, 1999·50 cites·50 claims
- 3290US4534758AControlled release infusion systemLILLY CO ELI·Filed 1983·Granted Aug 13, 1985·262 cites·11 claims
- 3390US4469251ADetachable mixing chamber for a fluid dispensing apparatusSEALED AIR CORP·Filed 1981·Granted Sep 4, 1984·58 cites·30 claims
- 3490US3976230ASystem for dispensing polyurethane and the likeINSTAPAK CORP·Filed 1974·Granted Aug 24, 1976·48 cites·3 claims
- 3588US9034237B2Solid imaging systems, components thereof, and methods of solid imaging3D SYSTEMS INC·Filed 2012·Granted May 19, 2015·38 cites·12 claims
- 3686US6131375AApparatus for producing foam cushions utilizing flexible foam mixing chamberSEALED AIR CORP·Filed 1998·Granted Oct 17, 2000·46 cites·34 claims
- 3786US4573967AVacuum vial infusion systemLILLY CO ELI·Filed 1983·Granted Mar 4, 1986·202 cites·9 claims
- 3885US4804110AApparatus, method and article for applying a melted adhesiveSPERRY C R·Filed 1986·Granted Feb 14, 1989·56 cites·32 claims
- 3984USD575313SBuild platform3D SYSTEMS INC·Filed 2007·Granted Aug 19, 2008·31 cites·1 claims
- 4083US8703037B2Edge smoothness with low resolution projected images for use in solid imagingHULL CHARLES W·Filed 2010·Granted Apr 22, 2014·19 cites·18 claims
- 4183US7323665B2Heating element for high-speed film-sealing apparatus, and method for making sameSEALED AIR CORP·Filed 2006·Granted Jan 29, 2008·8 cites·19 claims
- 4283US4426023ACleaning assembly for a foam dispensing apparatusSEALED AIR CORP·Filed 1981·Granted Jan 17, 1984·47 cites·10 claims
- 4383US4111613ABladder actuated pumping systemSEALED AIR CORP·Filed 1977·Granted Sep 5, 1978·32 cites·9 claims
- 4482US10741278B2Pathogen detection and display systemCARDEYA CORP·Filed 2016·Granted Aug 11, 2020·4 cites·22 claims
- 4582US8691154B2Apparatus for the generation of cleaning and/or sanitizing solutionsSPERRY C R·Filed 2012·Granted Apr 8, 2014·6 cites·20 claims
- 4681US8501061B2Method for making foam-in-place cushions with selective distribution of foamSPERRY C R·Filed 2012·Granted Aug 6, 2013·3 cites·12 claims
- 4781US6996956B2Fluid dispenser having improved cleaning solvent delivery systemSEALED AIR CORP·Filed 2001·Granted Feb 14, 2006·31 cites·18 claims
- 4881US6811059B2Self-cleaning fluid dispenserSEALED AIR CORP·Filed 2003·Granted Nov 2, 2004·28 cites·10 claims
- 4981US4023733AFoam dispensing apparatusINSTAPAK CORP·Filed 1975·Granted May 17, 1977·46 cites·1 claims
- 5079US7758799B2Edge smoothness with low resolution projected images for use in solid imaging3D SYSTEMS INC·Filed 2005·Granted Jul 20, 2010·31 cites·30 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →