Assignee
EMMERICH CHRISTOPH GMBH CO KG
DE·4 granted patents·31 citations·filing 1988–1996
Top patents by PatentIndex Score
4 records- 0140US4882242AClosed gastight battery, in particular nickel-cadmiumEMMERICH CHRISTOPH GMBH CO KG·Filed 1988·Granted Nov 21, 1989·12 cites·18 claims
- 0233US5803933AProcess for the prodcution of prismatic alkaline accumulator cellsEMMERICH CHRISTOPH GMBH CO KG·Filed 1996·Granted Sep 8, 1998·9 cites·11 claims
- 0332US5789096AGas-tight alkaline accumulator with valve assemblyEMMERICH CHRISTOPH GMBH CO KG·Filed 1994·Granted Aug 4, 1998·6 cites·22 claims
- 0430US5783329AAccumulator with plastic casingEMMERICH CHRISTOPH GMBH CO KG·Filed 1994·Granted Jul 21, 1998·4 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when EMMERICH CHRISTOPH GMBH CO KG 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 →