RK

Richard A. Kretchmer

AM Amoco: 3 patents #256 of 1,251Top 25%
S( Standard Oil Company (Indiana): 3 patents #95 of 576Top 20%
BA Bp Amoco: 1 patents #58 of 196Top 30%
BA Bp Corporation North America: 1 patents #351 of 812Top 45%
Overall (All Time): #658,335 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7557255 Method and an unleaded low emission gasoline for fueling an automotive engine with reduced emissions Leslie R. Wolf, Thomas J. Bond, Gerald S. Lane, James J. Simnick, Douglas N. Rundell +6 more 2009-07-07
5916129 Control of exhaust emissions from an internal combustion engine Frank S. Modica, Mark K. Barr, George A. Huff, Jr., Roger H. Cayton, Bruce D. Alexander 1999-06-29
5687565 Control of exhaust emissions from an internal combustion engine Frank S. Modica, Mark K. Barr, George A. Huff, Jr., Roger H. Cayton, Bruce D. Alexander 1997-11-18
4692318 Process for simultaneously removing nitrogen oxides, sulfur oxides, and particulates Thomas W. Tolpin 1987-09-08
4617175 Nitrogen oxide, sulfur oxide, and particulate removal system Thomas W. Tolpin 1986-10-14
4612177 Removal of sulfur oxides and particulates with copper-containing absorbers Lansing M. Hinrichs 1986-09-16
4612265 Stabilization of sulfur dioxide solutions containing lithium perchlorate and a tetraalkylammonium perchlorate John F. Connolly, Robert J. Thrash 1986-09-16
4609537 Process for simultaneously removing nitrogen oxides, sulfur oxides, and particulates Thomas W. Tolpin 1986-09-02