Inventor · disambiguated record
Bernd-Joachim Kempa
Also filed as: KEMPA BERND-JOACHIM
5 granted patents·35 citations·filing 1978–1986
78Inventor score
Top patents by PatentIndex Score
5 records- 0141US4174820AMethod for moving a railway switch and equipment for implementing the methodELEKTRO THERMIT GMBH·Filed 1978·Granted Nov 20, 1979·7 cites·11 claims
- 0240US4589617AFrog for switchesELEKTRO THERMIT GMBH·Filed 1985·Granted May 20, 1986·12 cites·9 claims
- 0337US4634087AGrooved rail switch with a tongue rail deviceELEKTRO THERMIT GMBH·Filed 1984·Granted Jan 6, 1987·9 cites·5 claims
- 0431US4210300APoint switchELEKTRO THERMIT GMBH·Filed 1979·Granted Jul 1, 1980·3 cites·8 claims
- 0523US4756476ARailway switchSALZGITTER PEINE STAHLWERKE·Filed 1986·Granted Jul 12, 1988·4 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Bernd-Joachim Kempa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →