Jens Häfner

Follow

Person

Stuttgart, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Angled boom comprising variable cross-section for mobile concrete p...
- Patent number 11,952,788
- Issue date Apr 9, 2024
- Putzmeister Engineering GmbH
- Jens Häfner
- E04 - BUILDING
Information Patent Grant
Boom system having a retracted position which reduces installation...
- Patent number 11,536,042
- Issue date Dec 27, 2022
- Putzmeister Engineering GmbH
- Jens Häfner
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
VALVE FOR THICK MATTER AND METHOD FOR ACTUATING A VALVE FOR THICK M...
- Publication number 20240117891
- Publication date Apr 11, 2024
- Putzmeister Engineering GmbH
- Jens Häfner
- E04 - BUILDING
Information Patent Application
Angled Boom Comprising Variable Cross-Section for Mobile Concrete P...
- Publication number 20200199897
- Publication date Jun 25, 2020
- Putzmeister Engineering GmbH
- Jens Häfner
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Boom System Having a Retracted Position Which Reduces Installation...
- Publication number 20200080325
- Publication date Mar 12, 2020
- Putzmeister Engineering GmbH
- Jens Häfner
- E04 - BUILDING