Andoh; Robert Yaw Gyamfi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Andoh; Robert Yaw Gyamfi.The latest application filed is for "drainage system and apparatus for treating runoff".
- Andoh; Robert Yaw Gyamfi - South Portland ME
- Andoh; Robert Yaw Gyamfi - Mitcham GB
| Patent | Date |
|---|---|
| Drainage system and apparatus for treating runoff Grant 10,227,781 - Andoh , et al. | 2019-03-12 |
| Drainage system and apparatus for treating runoff Grant 9,739,064 - Andoh , et al. August 22, 2 | 2017-08-22 |
| Treatment device Grant 9,688,544 - Fink , et al. June 27, 2 | 2017-06-27 |
| Drainage System and Apparatus for Treating Runoff App 20170130460 - Andoh; Robert Yaw Gyamfi ; et al. | 2017-05-11 |
| Method for configuring a vortex flow control device Grant 9,625,914 - Jarman , et al. April 18, 2 | 2017-04-18 |
| Drainage System and Apparatus for Treating Runoff App 20150299990 - Andoh; Robert Yaw Gyamfi ; et al. | 2015-10-22 |
| Method of Configuring a Vortex Flow Control Device and a Vortex Flow Control Device App 20150268667 - Jarman; Daniel Stuart ; et al. | 2015-09-24 |
| Flow regulating device Grant 9,051,724 - Andoh , et al. June 9, 2 | 2015-06-09 |
| Treatment device Grant 8,900,448 - Fink , et al. December 2, 2 | 2014-12-02 |
| Stormwater gully Grant 8,623,204 - Andoh , et al. January 7, 2 | 2014-01-07 |
| Treatment Device App 20140001106 - FINK; Jeremy ; et al. | 2014-01-02 |
| Stormwater Gully App 20130277292 - Andoh; Robert Yaw Gyamfi ; et al. | 2013-10-24 |
| Vortex flow control device Grant 8,555,924 - Faram , et al. October 15, 2 | 2013-10-15 |
| Stormwater gully Grant 8,480,887 - Andoh , et al. July 9, 2 | 2013-07-09 |
| Separator for separating solids from an influent Grant 8,342,338 - Andoh , et al. January 1, 2 | 2013-01-01 |
| Treatment Device App 20120292235 - FINK; Jeremy ; et al. | 2012-11-22 |
| Flow Regulating Device App 20120261012 - Andoh; Robert Yaw Gyamfi ; et al. | 2012-10-18 |
| Separator For Separating Solids From An Influent App 20110226693 - Andoh; Robert Yaw Gyamfi ; et al. | 2011-09-22 |
| Stormwater Gully App 20110127204 - Andoh; Robert Yaw Gyamfi ; et al. | 2011-06-02 |
| Vortex Flow Control Device App 20100300568 - Faram; Michael Guy ; et al. | 2010-12-02 |
| Hydrodynamic treatment device Grant 7,699,984 - Andoh , et al. April 20, 2 | 2010-04-20 |
| Hydrodynamic vortex separator Grant 6,730,222 - Andoh , et al. May 4, 2 | 2004-05-04 |
| Vortex valves Grant 6,374,858 - Hides , et al. April 23, 2 | 2002-04-23 |
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.
| 