Assignee
ZEISS IKON AG
15 granted patents·373 citations·filing 1974–1988
Top patents by PatentIndex Score
15 records- 0194US4608842ALock and key systemZEISS IKON AG·Filed 1984·Granted Sep 2, 1986·82 cites·6 claims
- 0282US4807454AMeans for locking a displaceable or rotatable partZEISS IKON AG·Filed 1988·Granted Feb 28, 1989·64 cites·15 claims
- 0380US4222252ACylinder lock with a lock picking impedimentZEISS IKON AG·Filed 1978·Granted Sep 16, 1980·32 cites·10 claims
- 0476US4325242AMulti-level lock system and methodZEISS IKON AG·Filed 1980·Granted Apr 20, 1982·34 cites·9 claims
- 0565US4876535AMethod and apparatus for non-contacting information transmissionZEISS IKON AG·Filed 1987·Granted Oct 24, 1989·70 cites·7 claims
- 0651US3960337AOffset drive pin adaptors for film projectors, film spools, and 35mm to 16mm convertersZEISS IKON AG·Filed 1974·Granted Jun 1, 1976·5 cites·8 claims
- 0747US4653298ALock-key systemZEISS IKON AG·Filed 1984·Granted Mar 31, 1987·13 cites·2 claims
- 0847US4593185ASafety lockZEISS IKON AG·Filed 1984·Granted Jun 3, 1986·21 cites·3 claims
- 0945USD294005SKey or similar articleZEISS IKON AG·Filed 1986·Granted Feb 2, 1988·5 cites·1 claims
- 1044US4262506ACylinder lock with warning of entry and drilling attemptsZEISS IKON AG·Filed 1978·Granted Apr 21, 1981·13 cites·9 claims
- 1143US4603566ASafety lockZEISS IKON AG·Filed 1985·Granted Aug 5, 1986·12 cites·18 claims
- 1233US4662197AMagnetic lockZEISS IKON AG·Filed 1985·Granted May 5, 1987·9 cites·3 claims
- 1329US4805428ALock and keyZEISS IKON AG·Filed 1987·Granted Feb 21, 1989·5 cites·11 claims
- 1429US4641508ALock with bolt enlargementZEISS IKON AG·Filed 1985·Granted Feb 10, 1987·0 cites·3 claims
- 1529US4481796AMortise lock provided with bolt and latchZEISS IKON AG·Filed 1981·Granted Nov 13, 1984·8 cites·9 claims
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