Birch; Peter Hugh
Patent Applications and Registrations
Patent applications and USPTO patent grants for Birch; Peter Hugh.The latest application filed is for "vacuum pump".
- Birch; Peter Hugh - Horsham N/A GB
- Birch; Peter Hugh - West Sussex GB
| Patent | Date |
|---|---|
| Multistage roots vacuum pump having different tip radius and meshing clearance from inlet stage to exhaust stage Grant 8,702,407 - Schofield , et al. April 22, 2 | 2014-04-22 |
| Vacuum pump Grant 8,500,422 - Dowdeswell , et al. August 6, 2 | 2013-08-06 |
| Vacuum Pump App 20110318210 - Schofield; Nigel Paul ; et al. | 2011-12-29 |
| Vacuum pump App 20100158728 - Schofield; Nigel Paul ; et al. | 2010-06-24 |
| Vacuum Pump App 20100119399 - Dowdeswell; Stephen ; et al. | 2010-05-13 |
| Method of Pumping Gas App 20090269231 - Birch; Peter Hugh ; et al. | 2009-10-29 |
| Vacuum Pump App 20090214368 - Schofield; Nigel Paul ; et al. | 2009-08-27 |
| Seal assemblies Grant 7,214,041 - Birch , et al. May 8, 2 | 2007-05-08 |
| Seal assemblies App 20060216186 - Birch; Peter Hugh ; et al. | 2006-09-28 |
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.
| 