Inventor
Bryan Robert Siewert
Inventor
Westbrook, CT, US
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B66Bprimary
B66BElevators45%
A62CFire-fighting10%
H01FMagnets6%
B05BSpraying apparatus3%
E05BLocks3%
E05FDevices for moving wings into open or closed position3%
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof3%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general3%
G01RMeasuring electric variables3%
G01SRadio direction-finding3%
PatentTitleYear
11,001,477Elevator linear propulsion system with cooling device202110,865,071Configurable multicar elevator system202010,189,679Elevator car power supply20199,907,986'Fire suppression system with dual use of gas source'20189,849,318Fire suppression system with variable dual use of gas source20179,849,321Concealed sprinkler activation20179,272,882'Detection of people relative to a passenger conveyor with a capacitive sensor'20168,904,708'Door zone protection'20148,678,140'Electromagnet and elevator door coupler'20148,424,652'Electromagnet and elevator door coupler'20138,201,665'Magnetic door coupling device for an elevator system'20127,878,306'Elevator system without a moving counterweight'20117,823,699'Electromagnetically operated elevator door lock'20107,810,611'Elevator car assembly having an adjustable platform'20107,650,970'Elevator door lock sensor device including proximity sensor elements in a selected geometric pattern'20107,614,490'Passenger conveyor handrail having a gripping surface with a generally circular cross-section'20097,562,759'Passenger conveyor handrail with sliding material on toothed driven surface'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2021Patents assigned to OTIS ELEVATOR CO (14)· patent assignee history
2009–2014Based in Westbrook, CT, US· patent location history
2012–2014Patents assigned to GIERAS JACEK F (3)· patent assignee history
2012–2014Patents assigned to PENG PEI-YUAN (3)· patent assignee history
2012–2014Patents assigned to SIEWERT BRYAN (3)· patent assignee history
2014–2018Patents assigned to SIEWERT BRYAN ROBERT (4)· patent assignee history
2016–2019Based in Clinton, CT, US· patent location history
2017Based in North Palm Beach, FL, US· patent location history
2020–2021Based in Farmington, CT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OTIS ELEVATOR CO | 14 | 2009–2021 |
| SIEWERT BRYAN ROBERTself | 4 | 2014–2018 |
| GIERAS JACEK F | 3 | 2012–2014 |
| PENG PEI-YUAN | 3 | 2012–2014 |
| SIEWERT BRYANself | 3 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Westbrook, CT, US | 10 | 2009–2014 |
| Clinton, CT, US | 4 | 2016–2019 |
| Farmington, CT, US | 2 | 2020–2021 |
| North Palm Beach, Florida, US | 1 | 2017 |