Inventor · disambiguated record
Dennis E. J. Johnson
Also filed as: JOHNSON DENNIS · JOHNSON DENNIS E · JOHNSON DENNIS E J · JOHNSON DENNIS ELMER
44 granted patents·1,556 citations·filing 1974–2020
99Inventor score
Files withJOHNSON DENNIS E J14SPI LIGHTING INC11AQUA ION SYST6ENEROX TECHNOLOGY LLC2MC GRAW EDISON CO2
Top patents by PatentIndex Score
44 records- 0196USD380853SWall mountable light shadeSPI LIGHTING INC·Filed 1995·Granted Jul 8, 1997·67 cites·1 claims
- 0296US5635059AMethod and apparatus for water treatment and purification using gas ion plasma source and disinfectant metal ion complexesAQUA ION SYST·Filed 1994·Granted Jun 3, 1997·103 cites·22 claims
- 0396USD349778SCeiling lighting fixtureSPI LIGHTING INC·Filed 1992·Granted Aug 16, 1994·64 cites·1 claims
- 0495US6740245B2Non-chemical water treatment method and apparatus employing ionized air purification technologiesENEROX TECHNOLOGY LLC·Filed 2002·Granted May 25, 2004·76 cites·23 claims
- 0594US5685994AMethod for water treatment and purification using gas ion plasma source and disinfectant metal ion complexesFiled 1996·Granted Nov 11, 1997·96 cites·18 claims
- 0693USD350409SLighting fixture mountable on an overhead supportSPI LIGHTING INC·Filed 1994·Granted Sep 6, 1994·46 cites·1 claims
- 0791US5792369AApparatus and processes for non-chemical plasma ion disinfection of waterFiled 1996·Granted Aug 11, 1998·83 cites·34 claims
- 0891US4563286ASystem of ionized oxygen allotrope gas water purification and method and apparatus thereforJOHNSON DENNIS E J·Filed 1984·Granted Jan 7, 1986·65 cites·24 claims
- 0989US4655933ASystem of ionized oxygen allotrope gas water purification and method and apparatus thereforJOHNSON DENNIS E J·Filed 1985·Granted Apr 7, 1987·72 cites·17 claims
- 1088US7184991B1Pattern recognition applied to oil exploration and productionCHROMA ENERGY INC·Filed 2002·Granted Feb 27, 2007·80 cites·101 claims
- 1187US6923901B2Non-chemical water treatment method and apparatus employing ionized air purification technologies for marine applicationMARINE ENVIRONMENTAL PARTNERS·Filed 2002·Granted Aug 2, 2005·47 cites·34 claims
- 1287US5597479AElectro-coalescence/magnetic separation (ECMS) system and components for removal of contaminants from water streams, including desalinizationAQUA ION SYST·Filed 1995·Granted Jan 28, 1997·68 cites·63 claims
- 1386US5616250AMethod for mixing coagulating agents into a contaminated water flow, and for removing contaminants therefromAQUA ION SYST·Filed 1995·Granted Apr 1, 1997·91 cites·12 claims
- 1484US5728303AElectro-coalescence/magnetic separation (ECMS) system and components for removal of contaminants from water streams, including desalinizationAQUA ION SYST·Filed 1997·Granted Mar 17, 1998·52 cites·11 claims
- 1584US5443719ASystem and reactor for mixing coagulating agents into a contaminated water flow, and for removing contaminants therefromAQUA ION SYST·Filed 1994·Granted Aug 22, 1995·65 cites·23 claims
- 1682US8210898B2Pivotally manipulable toyJOHNSON DENNIS E·Filed 2009·Granted Jul 3, 2012·12 cites·9 claims
- 1782US4630478ALiquid volume sensor systemPAKWA ENGINEERING LTD·Filed 1984·Granted Dec 23, 1986·45 cites·13 claims
- 1881US4382866AElectro-chemical system for liquid filtrationJOHNSON DENNIS E J·Filed 1981·Granted May 10, 1983·40 cites·14 claims
- 1981USD259586STask light fixtureMC GRAW EDISON CO·Filed 1979·Granted Jun 16, 1981·14 cites·1 claims
- 2080US4562014AMethod and device for in-line mass dispersion transfer of a gas flow into a liquid flowJOHNSON DENNIS E J·Filed 1984·Granted Dec 31, 1985·40 cites·15 claims
- 2178US3931067AHydrophobic microporous materials and process for producing sameAMERACE CORP·Filed 1974·Granted Jan 6, 1976·29 cites·38 claims
- 2276US7475487B1Height recording albumPARCHMINT INC·Filed 2008·Granted Jan 13, 2009·20 cites·21 claims
- 2375US5622622AUltraviolet sterilizer and source of ionized molecules for electrocoalescent/magnetic separation (ECMS) removal of contaminants from water streamsAQUA ION SYST·Filed 1995·Granted Apr 22, 1997·100 cites·17 claims
- 2474US4118868AChild height gaugeDENSEN COMMON INC·Filed 1977·Granted Oct 10, 1978·25 cites·5 claims
- 2571US7160448B2Non-chemical water treatment method and apparatus employing ionized air purification technologiesENEROX TECHNOLOGY LLC·Filed 2004·Granted Jan 9, 2007·15 cites·2 claims
- 2668USD275513SCombination liquid flow conducting transparent canister and cross tube assembly for liquid filtersJOHNSON DENNIS E J·Filed 1981·Granted Sep 11, 1984·10 cites·1 claims
- 2767USD273695SWater purification ionic gas generatorJOHNSON DENNIS E J·Filed 1982·Granted May 1, 1984·10 cites·1 claims
- 2866USD653760SVapor ion plasma generatorJOHNSON DENNIS E J·Filed 2010·Granted Feb 7, 2012·14 cites·1 claims
- 2962USD273412SWater purification ionic gas generatorJOHNSON DENNIS E J·Filed 1982·Granted Apr 10, 1984·8 cites·1 claims
- 3061US6494601B2Modular cluster lighting fixtureSPI LIGHTING INC·Filed 2001·Granted Dec 17, 2002·8 cites·10 claims
- 3159USD379548SWall mountable light shadeSPI LIGHTING INC·Filed 1995·Granted May 27, 1997·10 cites·1 claims
- 3259US4491551AMethod and device for in-line mass dispersion transfer of a gas flow into a liquid flowJOHNSON DENNIS E J·Filed 1982·Granted Jan 1, 1985·18 cites·5 claims
- 3358US5676455AWall mountable lighting fixtureSPI LIGHTING INC·Filed 1995·Granted Oct 14, 1997·19 cites·6 claims
- 3455USD273697SCombination filter and ionic gas generator assembly for purifying machine tool coolantsJOHNSON DENNIS E J·Filed 1982·Granted May 1, 1984·6 cites·1 claims
- 3555USD273696SWater purification ionic gas generatorJOHNSON DENNIS E J·Filed 1982·Granted May 1, 1984·6 cites·1 claims
- 3653USD352566SSuspended lighting fixtureSPI LIGHTING INC·Filed 1993·Granted Nov 15, 1994·7 cites·1 claims
- 3753USD274003SIndirect lighting fixtureMC GRAW EDISON CO·Filed 1982·Granted May 22, 1984·5 cites·1 claims
- 3852USD351482SLight module for suspended lighting fixture unitSPI LIGHTING INC·Filed 1993·Granted Oct 11, 1994·7 cites·1 claims
- 3947USD1004049SReactor tankJOHNSON DENNIS E J·Filed 2020·Granted Nov 7, 2023·1 cites·1 claims
- 4043USD347487SWall lighting fixtureSPI LIGHTING INC·Filed 1992·Granted May 31, 1994·4 cites·1 claims
- 4143USD273694SWater purification ionic gas generatorJOHNSON DENNIS E J·Filed 1982·Granted May 1, 1984·3 cites·1 claims
- 4243USD273411SWater purification ionic gas generatorJOHNSON DENNIS E J·Filed 1982·Granted Apr 10, 1984·3 cites·1 claims
- 4335USD349779SLighting fixture mountable on an overhead supportSPI LIGHTING INC·Filed 1992·Granted Aug 16, 1994·2 cites·1 claims
- 4430USD357091SBracket for a suspended lighting fixture systemSPI LIGHTING INC·Filed 1993·Granted Apr 4, 1995·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →