Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9528648 | Breakaway assembly with relief valve | — | 2016-12-27 |
| 7954386 | System and method for detecting pressure variations in fuel dispensers to more accurately measure fuel delivered | Philip A. Robertson | 2011-06-07 |
| 7681460 | System and method for detecting pressure variations in fuel dispensers to more accurately measure fuel delivered | Philip A. Robertson | 2010-03-23 |
| 7111520 | Increased sensitivity for liquid meter | Edward A. Payne, Brent K. Price | 2006-09-26 |
| 7028561 | Fuel dispenser fuel meter error detection device, system and method | Phil A. Robertson, John S. McSpadden, William P. Shermer | 2006-04-18 |
| 6959837 | Dual piston/poppet flow switch | William P. Shermer | 2005-11-01 |
| 6935191 | Fuel dispenser fuel flow meter device, system and method | Paul D. Olivier, William P. Shermer | 2005-08-30 |
| 6929038 | Underground storage tank vapor pressure equalizer | — | 2005-08-16 |
| 6929037 | Underground storage tank vapor pressure equalizer | — | 2005-08-16 |
| 6882941 | Tamper proof meter | Brent K. Price, David S. Shuttleworth | 2005-04-19 |
| 6854342 | Increased sensitivity for turbine flow meter | Edward A. Payne, Richard R. Sobota, Brent K. Price | 2005-02-15 |
| 6830080 | Output control for turbine vapor flow meter | — | 2004-12-14 |
| 6827236 | Dual piston/poppet flow switch | William P. Shermer | 2004-12-07 |
| 6763974 | Dual piston/poppet flow switch | William P. Shermer | 2004-07-20 |
| 6761190 | Underground storage tank vapor pressure equalizer | — | 2004-07-13 |
| 6712101 | Hydrocarbon sensor diagnostic method | — | 2004-03-30 |
| 6644360 | Membrane and sensor for underground tank venting system | Richard R. Sobota, William P. Shermer, Edward A. Payne | 2003-11-11 |
| 6499516 | Vapor flow and hydrocarbon concentration sensor for improved vapor recovery in fuel dispensers | Kenneth L. Pope, Richard R. Sobota, Edward A. Payne | 2002-12-31 |
| 6460579 | Vapor flow and hydrocarbon concentration sensor for improved vapor recovery in fuel dispensers | — | 2002-10-08 |
| 6418983 | Vapor flow and hydrocarbon concentration sensor for improved vapor recovery in fuel dispensers | Edward A. Payne, Richard R. Sobota, Kenneth L. Pope | 2002-07-16 |
| 6386246 | Vapor flow and hydrocarbon concentration sensor for improved vapor recovery in fuel dispensers | Kenneth L. Pope, Richard R. Sobota, Edward A. Payne | 2002-05-14 |
| 6338369 | Hydrocarbon vapor sensing | William P. Shermer, Edward A. Payne | 2002-01-15 |
| 6336479 | Determining vapor recovery in a fueling system | — | 2002-01-08 |
| 6325112 | Vapor recovery diagnostic system | — | 2001-12-04 |
| 6302165 | Site fueling vapor recovery emission management system | Hal C. Hartsell, Jr. | 2001-10-16 |