Hans J. Karcher

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Karben, DE

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Patents Grantslast 30 patents

Information Patent Grant
Device for assembling and laying track support and launching suppor...
- Patent number 5,732,430
- Issue date Mar 31, 1998
- MAN Gutehoffnungshutte Aktiengesellschaft
- Uwe Beitz
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Bridging system consisting of track supports
- Patent number 5,331,700
- Issue date Jul 26, 1994
- MAN Gutehoffnungshutte AG
- Hans-Jurgen Karcher
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Equipment for laying a track-supporting bridge
- Patent number 5,276,931
- Issue date Jan 11, 1994
- MAN Gutehoffnungshutte Aktiengesellschaft
- Hans-Jurgen Karcher
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Take-apart drive-over bridge with cantilevers between its drive-overs
- Patent number 5,117,525
- Issue date Jun 2, 1992
- MAN Gutehoffnungshutte AG
- Hans J. Karcher
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES