JF

James E. Ferris

EP E.F. Products: 3 patents #2 of 4Top 50%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
🗺 New York: #9,734 of 115,490 inventorsTop 9%
Overall (All Time): #327,419 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
6796340 Method and dispenser for pressurized containers used with automobile air conditioning systems William J. Quest 2004-09-28
6722141 Apparatus and methods for placing an additive fluid into a refrigerant circuit William J. Quest 2004-04-20
6609385 Refrigerant charging/pressure testing hose assembly William J. Quest 2003-08-26
6481221 Apparatus and methods for placing an additive fluid into a refrigerant circuit William J. Quest 2002-11-19
6438970 Apparatus methods and compositions for placing additive fluids into a refrigerant circuit William J. Quest 2002-08-27
6385986 Refrigerant charging hose assembly William J. Quest 2002-05-14
5967204 Refrigerant fluid injection apparatus William J. Quest 1999-10-19
5070917 Pressurized fluid-drivable device for injecting a treatment liquid stored therein into a tire or other enclosed space William J. Quest 1991-12-10
4829829 Air conditioner test gauge with pressure zone markings 1989-05-16
4777828 Removable, in-place refrigerant pressure check gauge 1988-10-18
4770044 Air conditioner test gauge with pressure zone markings 1988-09-13
4745772 Air conditioner auxiliary filter/drier refrigerant and chemical additive transfer device 1988-05-24
4693112 Air conditioner refrigerant check gauge insert convertible to a tire check gauge 1987-09-15
4599903 Air conditioner refrigerant check guide 1986-07-15
4224032 Method and apparatus for chemical analysis Clyde P. Glover, Robert J. Meyer, Edward Muka 1980-09-23