Inventor
QUEST WILLIAM J
US13 patents
⚠️ This page may combine multiple inventors who share the name “QUEST WILLIAM J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
E F PRODUCTS INC
5 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
US7107781B2Sep 19, 2006
Pressure testing and refrigerant recharging hose assembly for automobiles
E F PRODUCTS INC23 citations91
US7124598B2Oct 24, 2006
Pressure testing and refrigerant recharging conduit assembly for automobiles
E F PRODUCTS INC19 citations82
(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