David J. Sirag Jr.

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Ellington, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Elevator traffic control
- Patent number 7,490,698
- Issue date Feb 17, 2009
- Otis Elevator Company
- David J. Sirag, Jr.
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator traffic control
- Patent number 7,487,861
- Issue date Feb 10, 2009
- Otis Elevator Company
- Robert LaBarre
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator dispatching with guaranteed time performance using real-ti...
- Patent number 7,267,202
- Issue date Sep 11, 2007
- Otis Elevator Company
- David J. Sirag, Jr.
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Elevator traffic control
- Publication number 20070007086
- Publication date Jan 11, 2007
- David J. Sirag Jr.
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Elevator traffic control
- Publication number 20060196734
- Publication date Sep 7, 2006
- Robert LaBarre
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Elevator dispatching with guaranteed time performance using real-ti...
- Publication number 20060191748
- Publication date Aug 31, 2006
- David J. Sirag Jr.
- B66 - HOISTING LIFTING HAULING