Doug B. LaBrecque

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West Springfield, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of installing a vertically extending member in an elevator s...
- Patent number 10,364,128
- Issue date Jul 30, 2019
- Otis Elevator Company
- Valery Sheynkman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Assembly for roping an elevator
- Patent number 9,604,823
- Issue date Mar 28, 2017
- Otis Elevator Company
- Valery Sheynkman
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Supplemental elevator brake and retrofitting installation procedure
- Patent number 8,752,262
- Issue date Jun 17, 2014
- Otis Elevator Company
- Daniel B. Davis
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF INSTALLING A VERTICALLY EXTENDING MEMBER IN AN ELEVATOR S...
- Publication number 20170183200
- Publication date Jun 29, 2017
- Otis Elevator Company
- Valery Sheynkman
- B66 - HOISTING LIFTING HAULING
Information Patent Application
SUPPLEMENTAL ELEVATOR BRAKE AND RETROFITTING INSTALLATION PROCEDURE
- Publication number 20110147129
- Publication date Jun 23, 2011
- Daniel B. Davis
- B66 - HOISTING LIFTING HAULING
Information Patent Application
ASSEMBLY FOR ROPING AN ELEVATOR
- Publication number 20100000823
- Publication date Jan 7, 2010
- Valery Sheynkman
- B66 - HOISTING LIFTING HAULING