Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JF

James E. Ferris — 15 Patents

EPE.F. Products: 3 patents #2 of 4Top 50%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
Rochester, NY: #625 of 6,268 inventorsTop 10%
New York: #9,821 of 115,490 inventorsTop 9%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
James E. Ferris has been granted 15 US patents while listed as an inventor at E.F. Products. The first was granted in 1980 and the most recent in September 2004. James E. Ferris ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list James E. Ferris in Rochester, NY, US.

Patents per Year

Patents granted per year, 1980 to 2004Bar chart with a peak of 3 patents in 1988.peak 31980: 1 patents19801986: 1 patents19861987: 1 patents19871988: 3 patents19881989: 1 patents19891991: 1 patents19911999: 1 patents19992002: 3 patents20022003: 1 patents20032004: 2 patents2004

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
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 $11,958,000