Inventor
FERRIS JAMES E
US17 patents
⚠️ This page may combine multiple inventors who share the name “FERRIS JAMES E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FERRIS JAMES E
7 patentsUS5070917ADec 10, 1991
Pressurized fluid-drivable device for injecting a treatment liquid stored therein into a tire or other enclosed space
FERRIS JAMES E104 citations95
US4745772AMay 24, 1988
Air conditioner auxiliary filter/drier refrigerant and chemical additive transfer device
FERRIS JAMES E58 citations95
US4777828AOct 18, 1988
Removable, in-place refrigerant pressure check gauge
FERRIS JAMES E21 citations81
US4770044ASep 13, 1988
Air conditioner test gauge with pressure zone markings
FERRIS JAMES E21 citations81
US4829829AMay 16, 1989
Air conditioner test gauge with pressure zone markings
FERRIS JAMES E9 citations73
US4693112ASep 15, 1987
Air conditioner refrigerant check gauge insert convertible to a tire check gauge
FERRIS JAMES E11 citations73
US4599903AJul 15, 1986
Air conditioner refrigerant check guide
FERRIS JAMES E8 citations73
(unassigned)
4 patentsUS6481221B2Nov 19, 2002
Apparatus and methods for placing an additive fluid into a refrigerant circuit
35 citations95
US6438970B1Aug 27, 2002
Apparatus methods and compositions for placing additive fluids into a refrigerant circuit
26 citations92
US6385986B1May 14, 2002
Refrigerant charging hose assembly
55 citations92
US5967204AOct 19, 1999
Refrigerant fluid injection apparatus
51 citations92
E F PRODUCTS INC
3 patentsUS6722141B2Apr 20, 2004
Apparatus and methods for placing an additive fluid into a refrigerant circuit
E F PRODUCTS INC39 citations95
US6796340B1Sep 28, 2004
Method and dispenser for pressurized containers used with automobile air conditioning systems
E F PRODUCTS INC30 citations92
US6609385B1Aug 26, 2003
Refrigerant charging/pressure testing hose assembly
E F PRODUCTS INC47 citations92