loadpatents
Patent applications and USPTO patent grants for Heiderman; Douglas Charles.The latest application filed is for "auto shutoff device".
Patent | Date |
---|---|
Auto Shutoff Device App 20130146166 - Campeau; Serge ;   et al. | 2013-06-13 |
Fail-safe vacuum actuated valve for high pressure delivery systems Grant 7,708,028 - Brown , et al. May 4, 2 | 2010-05-04 |
System and apparatus for producing primary standard gas mixtures Grant 7,390,346 - Malczewski , et al. June 24, 2 | 2008-06-24 |
Fail-safe vacuum actuated valve for high pressure delivery systems App 20080135104 - Cooper; Scott Lawrence ;   et al. | 2008-06-12 |
Low release rate cylinder package App 20080000532 - Wagner; Matthew Lincoln ;   et al. | 2008-01-03 |
System and apparatus for producing primary standard gas mixtures App 20060254656 - Malczewski; Mark Leonard ;   et al. | 2006-11-16 |
Multiple regulator vacuum delivery valve assembly Grant 6,959,724 - Heiderman November 1, 2 | 2005-11-01 |
Multiple dispensing check valve delivery system App 20040000339 - Heiderman, Douglas Charles | 2004-01-01 |
Multiple regulator vacuum delivery valve assembly App 20040000338 - Heiderman, Douglas Charles | 2004-01-01 |
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.