Rafal Wojciechowski

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Srem, PL

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic trap suppression tank level sensor
- Patent number 11,904,196
- Issue date Feb 20, 2024
- Carrier Corporation
- Marcin Piech
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Wireless power supply for self-propelled elevator
- Patent number 10,196,240
- Issue date Feb 5, 2019
- Otis Elevator Company
- Zbigniew Piech
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Magnetic Trap Suppression Tank Level Sensor
- Publication number 20210275850
- Publication date Sep 9, 2021
- Carrier Corporation
- Marcin Piech
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
WIRELESS POWER SUPPLY FOR SELF-PROPELLED ELEVATOR
- Publication number 20160090275
- Publication date Mar 31, 2016
- Otis Elevator Company
- Zbigniew Piech
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LINEAR MOTOR STATOR CORE FOR SELF-PROPELLED ELEVATOR
- Publication number 20160083226
- Publication date Mar 24, 2016
- Otis Elevator Company
- Zbigniew Piech
- B66 - HOISTING LIFTING HAULING