Marianne L. Krbec

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Elmhursts, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Unlock mechanism for a rotary door operator
- Patent number 7,654,040
- Issue date Feb 2, 2010
- Wabtec Holding Corp.
- Haibo Tong
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Unlock mechanism for a rotary door operator
- Patent number 7,210,268
- Issue date May 1, 2007
- Wabtec Holding Corporation
- Haibo Tong
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rotary door operator
- Patent number 7,017,974
- Issue date Mar 28, 2006
- Wabtec Holding Corporation
- Haibo Tong
- B61 - RAILWAYS
Information Patent Grant
Lock mechanism for a rotary door operator
- Patent number 6,948,765
- Issue date Sep 27, 2005
- Westinghouse Air Brake Technologies Corporation
- Haibo Tong
- B61 - RAILWAYS
Information Patent Grant
Apparatus to accommodate ground level and platform boarding of a tr...
- Patent number 6,357,362
- Issue date Mar 19, 2002
- Westinghouse Air Brake Technologies Corporation
- Marianne L. Krbec
- B61 - RAILWAYS
Information Patent Grant
Self aligning drive nut bracket
- Patent number 6,026,697
- Issue date Feb 22, 2000
- Marianne L. Krbec
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Power operator for sliding plug doors
- Patent number 5,893,236
- Issue date Apr 13, 1999
- Westinghouse Air Brake Company
- Marianne L. Krbec
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Unlock mechanism for a rotary door operator
- Publication number 20070214724
- Publication date Sep 20, 2007
- Wabtec Holding Corporation
- Haibo Tong
- B60 - VEHICLES IN GENERAL
Information Patent Application
Rotary door operator
- Publication number 20050134082
- Publication date Jun 23, 2005
- Haibo Tong
- B61 - RAILWAYS
Information Patent Application
Lock mechanism for a rotary door operator
- Publication number 20050134083
- Publication date Jun 23, 2005
- Haibo Tong
- B61 - RAILWAYS
Information Patent Application
Unlock mechanism for a rotary door operator
- Publication number 20050132652
- Publication date Jun 23, 2005
- Haibo Tong
- B60 - VEHICLES IN GENERAL
Information Patent Application
Push/pull cable adapter
- Publication number 20030131680
- Publication date Jul 17, 2003
- WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
- Haibo Tong
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...