Fischer; David A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fischer; David A..The latest application filed is for "liquid level sensor system".
- Fischer; David A. - Ann Arbor MI
- FISCHER; David A. - Dexter MI
- Fischer; David A. - Rochester MI
- Fischer, David A. - Tucson AZ
- Fischer; David A. - Edina MN
- Fischer; David A. - Minneapolis MN
| Patent | Date |
|---|---|
| Pneumatic landfill pump cycle counter Grant 11,448,238 - Wells , et al. September 20, 2 | 2022-09-20 |
| Liquid Level Sensor System App 20210199001 - SCHAUPP; John F. ; et al. | 2021-07-01 |
| Fluid Pump For Groundwater Wells With Cycle Counter App 20200334515 - SCHAUPP; John F. ; et al. | 2020-10-22 |
| Poppet Valve For Fluid Pump App 20200309114 - SCHAUPP; John F. ; et al. | 2020-10-01 |
| Pneumatic Landfill Pump Cycle Counter App 20200263706 - Wells; Steven R. ; et al. | 2020-08-20 |
| Landfill gas wellhead cap assembly Grant 10,307,805 - Niehaus , et al. | 2019-06-04 |
| Air stripper system and method Grant 10,272,356 - Fischer , et al. | 2019-04-30 |
| Devices and methods for landfill gas well monitoring and control Grant 10,144,043 - Fischer , et al. De | 2018-12-04 |
| System and method for distributed control of multiple wellheads Grant 10,053,955 - Fischer , et al. August 21, 2 | 2018-08-21 |
| Devices and methods for landfill gas well monitoring and control Grant 10,029,291 - Fischer , et al. July 24, 2 | 2018-07-24 |
| Air Stripper System And Method App 20170304743 - FISCHER; David A. ; et al. | 2017-10-26 |
| Landfill Gas Wellhead Cap Assembly App 20170216894 - NIEHAUS; Kenneth L. ; et al. | 2017-08-03 |
| System And Method For Distributed Control Of Multiple Wellheads App 20170122065 - FISCHER; David A. ; et al. | 2017-05-04 |
| Devices And Methods For Landfill Gas Well Monitoring And Control App 20150275632 - FISCHER; David A. ; et al. | 2015-10-01 |
| Devices And Methods For Landfill Gas Well Monitoring And Control App 20150226045 - FISCHER; David A. ; et al. | 2015-08-13 |
| Devices and methods for landfill gas well monitoring and control Grant 9,062,536 - Fischer , et al. June 23, 2 | 2015-06-23 |
| Devices And Methods For Landfill Gas Well Monitoring And Control App 20140182846 - Fischer; David A. ; et al. | 2014-07-03 |
| Device for detecting water in product-only pump flow stream Grant 7,347,255 - Fischer , et al. March 25, 2 | 2008-03-25 |
| Process for producing building materials from raw paint sludge Grant 7,128,780 - Matheson , et al. October 31, 2 | 2006-10-31 |
| Device for detecting water in product-only pump flow stream App 20050211432 - Fischer, David A. ; et al. | 2005-09-29 |
| Liquid sprayable flame resistant coatings composition and method of use thereof App 20050109994 - Matheson, Robert R. ; et al. | 2005-05-26 |
| Catoptric and catadioptric imaging system with pellicle and aperture-array beam-splitters and non-adaptive and adaptive catoptric surfaces App 20050111007 - Hill, Henry A. ; et al. | 2005-05-26 |
| Process for producing building materials from raw paint sludge App 20030084824 - Matheson, Robert R. ; et al. | 2003-05-08 |
| Surgical fixation pin tension adjuster Grant 4,923,458 - Fischer May 8, 1 | 1990-05-08 |
| Recovery and control system for leachate collection Grant 4,727,936 - Mioduszewski , et al. March 1, 1 | 1988-03-01 |
| External fixation device Grant 4,450,834 - Fischer May 29, 1 | 1984-05-29 |
| External fixation device Grant 4,308,863 - Fischer January 5, 1 | 1982-01-05 |
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.
| 