Christopher S. Pietrzykowski

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Avon, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Destination entry passenger interface with multiple functions
- Patent number 7,793,762
- Issue date Sep 14, 2010
- Otis Elevator Company
- Vlad Zaharia
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Position reference system for elevators
- Patent number 7,540,357
- Issue date Jun 2, 2009
- Otis Elevator Company
- Alan Finn
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Remote storage and reset of elevator overspeed switch
- Patent number 6,186,281
- Issue date Feb 13, 2001
- Otis Elevator Company
- Chris Pietrzykowski
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator car call buttons indicating car floor position
- Patent number 5,969,306
- Issue date Oct 19, 1999
- Otis Elevator Company
- Suthaharan Velauthapillai
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
System for position loss recovery for an elevator car
- Patent number 5,631,452
- Issue date May 20, 1997
- Otis Elevator Company
- Eric K. Jamieson
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Tested and redundant elevator emergency terminal stopping capability
- Patent number 5,407,028
- Issue date Apr 18, 1995
- Otis Elevator Company
- Eric K. Jamieson
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
DESTINATION ENTRY PASSENGER INTERFACE WITH MULTIPLE FUNCTIONS
- Publication number 20090133969
- Publication date May 28, 2009
- Vlad Zaharia
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Absolute position reference system
- Publication number 20060243537
- Publication date Nov 2, 2006
- Alan Finn
- B66 - HOISTING LIFTING HAULING