Siewert; Bryan Robert
Patent Applications and Registrations
Patent applications and USPTO patent grants for Siewert; Bryan Robert.The latest application filed is for "elevator linear propulsion system with cooling device".
- Siewert; Bryan Robert - Farmington CT
- Siewert; Bryan Robert - Clinton CT
- Siewert; Bryan Robert - Jupiter FL US
- Siewert; Bryan Robert - North Palm Beach FL
- Siewert; Bryan Robert - Westbrook CT US
| Patent | Date |
|---|---|
| Elevator linear propulsion system with cooling device Grant 11,001,477 - Ranjan , et al. May 11, 2 | 2021-05-11 |
| Configurable multicar elevator system Grant 10,865,071 - Roberts , et al. December 15, 2 | 2020-12-15 |
| Elevator car power supply Grant 10,189,679 - Witczak , et al. Ja | 2019-01-29 |
| Elevator Linear Propulsion System With Cooling Device App 20180215587 - Ranjan; Ram ; et al. | 2018-08-02 |
| Fire suppression system with dual use of gas source Grant 9,907,986 - Siewert , et al. March 6, 2 | 2018-03-06 |
| Configurable Multicar Elevator System App 20180044138 - Roberts; Randall Keith ; et al. | 2018-02-15 |
| Concealed sprinkler activation Grant 9,849,321 - Huotari , et al. December 26, 2 | 2017-12-26 |
| Fire suppression system with variable dual use of gas source Grant 9,849,318 - Siewert , et al. December 26, 2 | 2017-12-26 |
| Transfer Station And Car Disengagement Mechanism For A Ropeless Elevator System App 20170362061 - Witczak; Tadeusz ; et al. | 2017-12-21 |
| Elevator Car Power Supply App 20170057789 - Witczak; Tadeusz Pawel ; et al. | 2017-03-02 |
| Flexible Conduit For Use In A Fire Suppression System App 20150308589 - KRAGER; Michael Kenneth ; et al. | 2015-10-29 |
| Concealed Sprinkler Activation App 20150297929 - Huotari; Arto ; et al. | 2015-10-22 |
| Effervescent Fire Suppression App 20140138102 - Corn; May L. ; et al. | 2014-05-22 |
| Electromagnet and elevator door coupler Grant 8,678,140 - Gieras , et al. March 25, 2 | 2014-03-25 |
| Fire Suppression System With Dual Use Of Gas Source App 20130292143 - Siewert; Bryan Robert ; et al. | 2013-11-07 |
| Fire Suppression System With Variable Dual Use Of Gas Source App 20130264075 - Siewert; Bryan Robert ; et al. | 2013-10-10 |
| Elevator system without a moving counterweight Grant 7,878,306 - Siewert , et al. February 1, 2 | 2011-02-01 |
| Electromagnetically operated elevator door lock Grant 7,823,699 - Gieras , et al. November 2, 2 | 2010-11-02 |
| Elevator door lock sensor device including proximity sensor elements in a selected geometric pattern Grant 7,650,970 - Lelic , et al. January 26, 2 | 2010-01-26 |
| Elevator Door Lock App 20080271958 - Lelic; Muhidin A. ; et al. | 2008-11-06 |
| Electromagnetically Operated Elevator Door Lock App 20080271959 - Gieras; Jacek F. ; et al. | 2008-11-06 |
| Elevator Door Lock Sensor Device App 20080271955 - Lelic; Muhidin A. ; et al. | 2008-11-06 |
| Electromagnet and Elevator Door Coupler App 20080257653 - Gieras; Jacek F. ; et al. | 2008-10-23 |
| Elevator System Without A Moving Counterweight App 20070227825 - Siewert; Bryan Robert ; et al. | 2007-10-04 |
| Elevator system without a moving counterweight App 20070131490 - Siewert; Bryan Robert ; et al. | 2007-06-14 |
| Elevator system without a moving counterweight App 20060225965 - Siewert; Bryan Robert ; et al. | 2006-10-12 |
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