Assignee
WEIDTMANN WILHELM KG
DE·6 granted patents·187 citations·filing 1991–1995
Top patents by PatentIndex Score
6 records- 0181US5318333ADevice for locking and unlocking sashes in door- or window framesWEIDTMANN WILHELM KG·Filed 1993·Granted Jun 7, 1994·54 cites·20 claims
- 0279US5370428AMechanism for releasably locking sashes in door-or window framesWEIDTMANN WILHELM KG·Filed 1993·Granted Dec 6, 1994·65 cites·26 claims
- 0359US5725260ALocking arrangement for windows, doors or the likeWEIDTMANN WILHELM KG·Filed 1995·Granted Mar 10, 1998·24 cites·18 claims
- 0453US5636476ADevice for opening and closing a window, a door, or the likeWEIDTMANN WILHELM KG·Filed 1995·Granted Jun 10, 1997·23 cites·29 claims
- 0544US5111615AWindow with pivotable sash and mechanism for locking the sash in closed positionWEIDTMANN WILHELM KG·Filed 1991·Granted May 12, 1992·18 cites·37 claims
- 0625US5487238ADevice for opening and closing a window, a door, or the likeWEIDTMANN WILHELM KG·Filed 1994·Granted Jan 30, 1996·3 cites·19 claims
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