Jan Rojko

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Conyers, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Circuit breaker accessory cover interlock and forced safety trippin...
- Patent number 10,418,197
- Issue date Sep 17, 2019
- Siemens Aktiengesellschaft
- Jan Rojko
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Devices and methods for activating circuit breaker accessories
- Patent number 9,679,709
- Issue date Jun 13, 2017
- Siemens Aktiengesellschaft
- Jan Rojko
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Systems and methods for rotary knob friction adjustment control
- Patent number 9,627,160
- Issue date Apr 18, 2017
- Siemens Aktiengesellschaft
- Jan Rojko
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit breaker tripping shaft with over-molded levers
- Patent number 9,627,165
- Issue date Apr 18, 2017
- Siemens Aktiengesellschaft
- Xinhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Self-retention compression spring with housing
- Patent number 9,593,730
- Issue date Mar 14, 2017
- Siemens Aktiengesellschaft
- Jan Rojko
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit breaker shock absorber apparatus, assemblies, and methods o...
- Patent number 9,478,380
- Issue date Oct 25, 2016
- Siemens Aktiengesellschaft
- Jan Rojko
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CIRCUIT BREAKER ACCESSORY COVER INTERLOCK AND FORCED SAFETY TRIPPIN...
- Publication number 20190035568
- Publication date Jan 31, 2019
- SIEMENS AKTIENGESELLSCHAFT
- Jan Rojko
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OVER-MOLDED TRIPPING SHAFT APPARATUS WITH INTEGRATED SPRING, TRIPPI...
- Publication number 20170076898
- Publication date Mar 16, 2017
- SIEMENS AKTIENGESELLSCHAFT
- Xinhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CIRCUIT BREAKER SHOCK ABSORBER APPARATUS, ASSEMBLIES, AND METHODS O...
- Publication number 20150077201
- Publication date Mar 19, 2015
- Siemens Aktiengesellschaft
- Jan Rojko
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SELF-RETENTION COMPRESSION SPRING WITH HOUSING
- Publication number 20150054208
- Publication date Feb 26, 2015
- Siemens Aktiengesellschaft
- Jan ROJKO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DEVICES AND METHODS FOR ACTIVATING CIRCUIT BREAKER ACCESSORIES
- Publication number 20150053541
- Publication date Feb 26, 2015
- Siemens Aktiengesellschaft
- Jan Rojko
- H01 - BASIC ELECTRIC ELEMENTS