Rolf Drotleff

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Deckenpfronn, DE

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Patents Grantslast 30 patents

Information Patent Grant
Cable feedthrough
- Patent number 8,895,878
- Issue date Nov 25, 2014
- Lapp Engineering & Co.
- Rolf Drotleff
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Cable feedthrough
- Patent number 8,841,562
- Issue date Sep 23, 2014
- Lapp Engineering & Co.
- Rolf Drotleff
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Insert for an opening of an appliance
- Patent number 7,563,993
- Issue date Jul 21, 2009
- Lapp Engineering & Co.
- Rolf Drotleff
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Cable feed-through and cable feed-through system
- Patent number 7,411,128
- Issue date Aug 12, 2008
- Lapp Engineering & Co.
- Rolf Drotleff
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Cable Feedthrough
- Publication number 20140020950
- Publication date Jan 23, 2014
- Lapp Engineering & Co.
- Rolf Drotleff
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Cable Feedthrough
- Publication number 20120211274
- Publication date Aug 23, 2012
- Lapp Engineering & Co.
- Rolf Drotleff
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Cable feed-through and cable feed-through system
- Publication number 20080073120
- Publication date Mar 27, 2008
- Lapp Engineering & Co.
- Rolf Drotleff
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Insert for an opening of an appliance
- Publication number 20080073118
- Publication date Mar 27, 2008
- Lapp Engineering & Co.
- Rolf Drotleff
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC