WQ

William J. Quest

EP E.F. Products: 7 patents #1 of 4Top 25%
Overall (All Time): #386,808 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7673497 System, methods, and compositions for detecting and inhibiting leaks in transmission systems Darrell W. Patton 2010-03-09
7565829 System, methods, and compositions for detecting and inhibiting leaks in steering systems Darrell W. Patton 2009-07-28
7565830 System, methods, and compositions for detecting and inhibiting leaks in engine oil systems Darrell W. Patton 2009-07-28
7124598 Pressure testing and refrigerant recharging conduit assembly for automobiles Kerry W. Whitaker 2006-10-24
7107781 Pressure testing and refrigerant recharging hose assembly for automobiles Kerry W. Whitaker 2006-09-19
6796340 Method and dispenser for pressurized containers used with automobile air conditioning systems James E. Ferris 2004-09-28
6722141 Apparatus and methods for placing an additive fluid into a refrigerant circuit James E. Ferris 2004-04-20
6609385 Refrigerant charging/pressure testing hose assembly James E. Ferris 2003-08-26
6481221 Apparatus and methods for placing an additive fluid into a refrigerant circuit James E. Ferris 2002-11-19
6438970 Apparatus methods and compositions for placing additive fluids into a refrigerant circuit James E. Ferris 2002-08-27
6385986 Refrigerant charging hose assembly James E. Ferris 2002-05-14
5967204 Refrigerant fluid injection apparatus James E. Ferris 1999-10-19
5070917 Pressurized fluid-drivable device for injecting a treatment liquid stored therein into a tire or other enclosed space James E. Ferris 1991-12-10