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Patent applications and USPTO patent grants for Schienda; Greg A..The latest application filed is for "elevator over-acceleration and over-speed protection system".
Patent | Date |
---|---|
Multi-car elevator hoistway separation assurance Grant 9,010,499 - McCarthy , et al. April 21, 2 | 2015-04-21 |
Elevator over-acceleration and over-speed protection system Grant 8,939,262 - Schienda , et al. January 27, 2 | 2015-01-27 |
Over-acceleration and over-speed detection and processing system Grant 8,827,044 - Marvin , et al. September 9, 2 | 2014-09-09 |
Electromagnetic safety trigger Grant 8,631,909 - Draper , et al. January 21, 2 | 2014-01-21 |
Control device for operating two elevator cars in a single hoistway Grant 8,292,038 - McCarthy , et al. October 23, 2 | 2012-10-23 |
Electromagnetic Safety Trigger App 20120000732 - Draper; James M. ;   et al. | 2012-01-05 |
Elevator Over-acceleration And Over-speed Protection System App 20120000731 - Schienda; Greg A. ;   et al. | 2012-01-05 |
Over-acceleration And Over-speed Detection And Processing System App 20120000729 - Marvin; Daryl J. ;   et al. | 2012-01-05 |
Elevator Braking Control App 20110240412 - Schienda; Greg A. ;   et al. | 2011-10-06 |
Control Strategy For Operating Two Elevator Cars In A Single Hoistway App 20100270109 - McCarthy; Richard C. ;   et al. | 2010-10-28 |
Multi-car Elevator Hoistway Separation Assurance App 20090194371 - McCarthy; Richard C. ;   et al. | 2009-08-06 |
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