DJ

Dennis E. J. Johnson

SL Spi Lighting: 11 patents #1 of 11Top 10%
AS Aqua-Ion Systems: 6 patents #1 of 2Top 50%
MC Mcgraw-Edison: 2 patents #33 of 210Top 20%
Overall (All Time): #73,139 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 25 most recent of 42 patents

Patent #TitleCo-InventorsDate
D1004049 Reactor tank 2023-11-07
8210898 Pivotally manipulable toy 2012-07-03
D653760 Vapor ion plasma generator 2012-02-07
7475487 Height recording album 2009-01-13
7184991 Pattern recognition applied to oil exploration and production Robert Wentland, Peter Whitehead, Fredric Young, Jawad Mokhtar, Bradley Clark Wallet 2007-02-27
7160448 Non-chemical water treatment method and apparatus employing ionized air purification technologies 2007-01-09
6923901 Non-chemical water treatment method and apparatus employing ionized air purification technologies for marine application Charles E. Leffler 2005-08-02
6740245 Non-chemical water treatment method and apparatus employing ionized air purification technologies 2004-05-25
6494601 Modular cluster lighting fixture 2002-12-17
5792369 Apparatus and processes for non-chemical plasma ion disinfection of water 1998-08-11
5728303 Electro-coalescence/magnetic separation (ECMS) system and components for removal of contaminants from water streams, including desalinization 1998-03-17
5685994 Method for water treatment and purification using gas ion plasma source and disinfectant metal ion complexes 1997-11-11
5676455 Wall mountable lighting fixture Dean R. Smith 1997-10-14
D380853 Wall mountable light shade 1997-07-08
5635059 Method and apparatus for water treatment and purification using gas ion plasma source and disinfectant metal ion complexes 1997-06-03
D379548 Wall mountable light shade 1997-05-27
5622622 Ultraviolet sterilizer and source of ionized molecules for electrocoalescent/magnetic separation (ECMS) removal of contaminants from water streams 1997-04-22
5616250 Method for mixing coagulating agents into a contaminated water flow, and for removing contaminants therefrom Clifford F. Frith 1997-04-01
5597479 Electro-coalescence/magnetic separation (ECMS) system and components for removal of contaminants from water streams, including desalinization 1997-01-28
5443719 System and reactor for mixing coagulating agents into a contaminated water flow, and for removing contaminants therefrom Clifford F. Frith 1995-08-22
D357091 Bracket for a suspended lighting fixture system Scott P. Malmsten 1995-04-04
D352566 Suspended lighting fixture Scott P. Malmsten 1994-11-15
D351482 Light module for suspended lighting fixture unit Scott P. Malmsten 1994-10-11
D350409 Lighting fixture mountable on an overhead support Scott P. Malmsten 1994-09-06
D349779 Lighting fixture mountable on an overhead support Scott P. Malmsten 1994-08-16