Erko; Robert J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Erko; Robert J..The latest application filed is for "dynamic maintenance scheduling system for surface cleaning machines".
- Erko; Robert J. - Apple Valley MN
| Patent | Date |
|---|---|
| Dynamic maintenance scheduling system for surface cleaning machines Grant 9,568,911 - Groschen , et al. February 14, 2 | 2017-02-14 |
| Battery maintenance system Grant 8,768,549 - Erko , et al. July 1, 2 | 2014-07-01 |
| Dynamic Maintenance Scheduling System For Surface Cleaning Machines App 20140156035 - Groschen; Paul L. ; et al. | 2014-06-05 |
| Cleaning Apparatus App 20140013540 - Erko; Robert J. ; et al. | 2014-01-16 |
| Battery Maintenance System App 20130116868 - Erko; Robert J. ; et al. | 2013-05-09 |
| Passive Mapping Using a Floor Cleaning Machine App 20090216449 - Erko; Robert J. ; et al. | 2009-08-27 |
| Floor Machine and Surface Cleaning Within a Field of RFID Tags App 20090212103 - Li; Eric C. ; et al. | 2009-08-27 |
| By Wire Control Of Braking And Acceleration App 20070284160 - Loring; Peter Alexander ; et al. | 2007-12-13 |
| By wire control of braking and acceleration Grant 7,244,000 - Loring , et al. July 17, 2 | 2007-07-17 |
| Remote configuration of mobile surface maintenance machine settings App 20070124890 - Erko; Robert J. ; et al. | 2007-06-07 |
| Brush wear adjustment system and method Grant 7,120,961 - Boomgaarden , et al. October 17, 2 | 2006-10-17 |
| Control system for a floor maintenance appliance Grant 7,038,416 - Erko , et al. May 2, 2 | 2006-05-02 |
| Back EMF actuator control Grant 7,020,576 - Alowonle , et al. March 28, 2 | 2006-03-28 |
| Back Emf Actuator Control App 20050267708 - Alowonle, Musibau O. ; et al. | 2005-12-01 |
| Power management system for street sweeper Grant 6,959,466 - Alowonle , et al. November 1, 2 | 2005-11-01 |
| By wire control of braking and acceleration App 20050194837 - Loring, Peter Alexander ; et al. | 2005-09-08 |
| Information management system device and method of use for surface maintenance vehicles and equipment Grant 6,895,363 - Erko , et al. May 17, 2 | 2005-05-17 |
| Power management system for street sweeper App 20040045117 - Alowonle, Musibau O. ; et al. | 2004-03-11 |
| Brush wear adjustment system and method App 20040045581 - Boomgaarden, Steven L. ; et al. | 2004-03-11 |
| Information management system device and method of use for surface maintenance vehicles and equipment App 20030093166 - Erko, Robert J. ; et al. | 2003-05-15 |
| Control system for a floor maintenance appliance App 20020175648 - Erko, Robert J. ; et al. | 2002-11-28 |
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.
| 