HE

Harold E. Erwin

BP Bg Products: 9 patents #1 of 19Top 6%
BI Bg Intellectuals: 3 patents #8 of 12Top 70%
Overall (All Time): #270,838 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11807198 Fluid exchange service Michael Jason Erwin, Jeffrey T. Brummett 2023-11-07
10363907 Fluid exchange machine Michael Jason Erwin, Jeffrey T. Brummett 2019-07-30
9322306 Transmission fluid exchange machine Michael Jason Erwin 2016-04-26
6978753 Automated combustion chamber decarboning squid Richard Augustus, Abram B. Kuipers 2005-12-27
6886664 Automotive fluid exchange system Abram B. Kuipers 2005-05-03
6874461 Combustion chamber decarboning squid Richard Augustus 2005-04-05
6772772 Method for cleaning an exhaust gas recirculation system David L. Connors, Daniel P. Degnan 2004-08-10
6655392 Method and apparatus for cleaning a fuel injected engine plenum Ronald R. Leslie 2003-12-02
6557517 Combustion chamber decarboning squid Richard Augustus 2003-05-06
6536486 Brake flush method Abram B. Kuipers 2003-03-25
6481469 Indicator for use on fluid dispensing tank Abram B. Kuipers 2002-11-19
6478036 Method and apparatus for cleaning exhaust gas recirculation system David L. Connors, Daniel P. Degnan 2002-11-12
6443192 Vehicle brake flush method and apparatus Abram B. Kuipers 2002-09-03
6253805 Apparatus and improved method for changing automatic transmission fluid in motor vehicles Michael Jason Erwin, Craig James Dittmar 2001-07-03
6179018 Apparatus and improved method for changing automatic transmission fluid in motor vehicles Michael Jason Erwin, Craig James Dittmar 2001-01-30
6170505 Automotive-fluid replacement apparatus 2001-01-09
5692461 Apparatus and method for removing cations and anions from an engine coolant liquid John P. Crovato, Ferdinand J. Crovato, Robert L. Felton, Galen R. Myers 1997-12-02