Bergsma; Rudolph
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bergsma; Rudolph.The latest application filed is for "hermetic fuel level sender".
- Bergsma; Rudolph - Ann Arbor MI
| Patent | Date |
|---|---|
| Hermetic Fuel Level Sender App 20130055807 - Cochran; Gary D. ; et al. | 2013-03-07 |
| Mounting a vent valve on a plastic fuel tank App 20060260129 - Bergsma; Rudolph ; et al. | 2006-11-23 |
| Hermetic fuel level sender App 20050139003 - Cochran, Gary D. ; et al. | 2005-06-30 |
| Hermetic fuel level sender having tank bottom referencing App 20050072229 - Bergsma, Rudolph ; et al. | 2005-04-07 |
| Mounting a pass-through on a plastic fuel tank App 20050055830 - Bergsma, Rudolph ; et al. | 2005-03-17 |
| Fuel vapor vent valve and method of attaching same to a tank App 20050055817 - Spink, Kenneth M. ; et al. | 2005-03-17 |
| Hermetic fuel level sender Grant 6,851,315 - Bergsma , et al. February 8, 2 | 2005-02-08 |
| Fuel tank vapor relief valve and method of making same Grant 6,810,862 - Bergsma November 2, 2 | 2004-11-02 |
| Fuel Tank Vapor Relief Valve And Method Of Making Same App 20040187850 - Bergsma, Rudolph | 2004-09-30 |
| Hermetic fuel level sender App 20030159507 - Bergsma, Rudolph ; et al. | 2003-08-28 |
| Two-stage float operated fuel tank vent valve App 20020157706 - Bergsma, Rudolph | 2002-10-31 |
| Two-stage ORVR control valve Grant 6,206,057 - Benjey , et al. March 27, 2 | 2001-03-27 |
| Two-stage fuel tank vapor recovery vent valve and method of making same Grant 6,085,771 - Benjey , et al. July 11, 2 | 2000-07-11 |
| Two-stage ORVR control valve Grant 6,062,276 - Benjey , et al. May 16, 2 | 2000-05-16 |
| Installing a fill limiting vent valve in a fuel tank Grant 5,996,607 - Bergsma , et al. December 7, 1 | 1999-12-07 |
| Onboard vapor recovery system with two stage shutoff valve Grant 5,983,958 - Bergsma , et al. November 16, 1 | 1999-11-16 |
| Adjustable length vent valve system for fuel tanks Grant 5,960,816 - Mills , et al. October 5, 1 | 1999-10-05 |
| Apparatus and method for calibrating float valve Grant 5,954,082 - Waldorf , et al. September 21, 1 | 1999-09-21 |
| Two-stage ORVR control valve Grant 5,860,458 - Benjey , et al. January 19, 1 | 1999-01-19 |
| Onboard vapor recovery system with two-stage shutoff valve Grant 5,797,434 - Benjey , et al. August 25, 1 | 1998-08-25 |
| Control valve with two-stage shutoff and peel away opening action Grant 5,755,252 - Bergsma , et al. May 26, 1 | 1998-05-26 |
| Fluid responsive vent control valve with peel-away opening action Grant 5,605,175 - Bergsma , et al. February 25, 1 | 1997-02-25 |
| Onboard vapor recovery system with two-stage shutoff valve Grant 5,590,697 - Benjey , et al. January 7, 1 | 1997-01-07 |
| Fluid-responsive vent control valve with peel-away opening action Grant 5,313,977 - Bergsma , et al. May 24, 1 | 1994-05-24 |
| Fuel level responsive vapor vent valve Grant 5,062,444 - Bergsma November 5, 1 | 1991-11-05 |
| Fuel system vent valve having roll-over closure with improved re-opening action for venting Grant 4,753,262 - Bergsma June 28, 1 | 1988-06-28 |
| Pressure transducer with improved calibration Grant 4,718,278 - Bergsma January 12, 1 | 1988-01-12 |
| Fuel tank mounted roll-over valve Grant 4,646,772 - Bergsma March 3, 1 | 1987-03-03 |
| Liquid level sensing switch Grant 4,609,796 - Bergsma September 2, 1 | 1986-09-02 |
| Vacuum Bias Switch Grant 3,804,109 - Martin , et al. April 16, 1 | 1974-04-16 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 