Assignee
SCHWIHAG GMBH
CH·10 granted patents·1 pending application·114 citations·filing 1981–2004
Top patents by PatentIndex Score
11 records- 0160US4770343AResilient rail fixing device for track installationsSCHWIHAG GMBH·Filed 1987·Granted Sep 13, 1988·26 cites·22 claims
- 0256US7070152B2Sleeper-mounted railroad-switch actuatorSCHWIHAG GMBH·Filed 2004·Granted Jul 4, 2006·4 cites·11 claims
- 0349US5562267ACross-ties for railroad track systemsSCHWIHAG GMBH·Filed 1994·Granted Oct 8, 1996·19 cites·20 claims
- 0448US6464177B1Switch tonguesSCHWIHAG GMBH·Filed 1997·Granted Oct 15, 2002·18 cites·7 claims
- 0544US6279833B1Guide-rail attachment for railroad switchSCHWIHAG GMBH·Filed 1999·Granted Aug 28, 2001·17 cites·15 claims
- 0640US6290189B1Switching device for switch tonguesSCHWIHAG GMBH·Filed 1997·Granted Sep 18, 2001·13 cites·5 claims
- 0738US4921168ASupport plate for mounting rails of railroad tracks and track switches on wooden sleepersSCHWIHAG GMBH·Filed 1987·Granted May 1, 1990·4 cites·19 claims
- 0836US4988040ADevice for securing a rail to a sleeperSCHWIHAG GMBH·Filed 1988·Granted Jan 29, 1991·7 cites·27 claims
- 0931US2002060273A1Sleeper arrangement for railroad switchSCHWIHAG GMBH·Filed 2001·Application pending·0 cites
- 1030US4728031AApparatus for fastening rails to railroad tiesSCHWIHAG GMBH·Filed 1981·Granted Mar 1, 1988·6 cites·13 claims
- 1119US5628454AFoot support modification for railroad railsSCHWIHAG GMBH·Filed 1996·Granted May 13, 1997·0 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when SCHWIHAG GMBH files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →