Assignee
SICK ERWIN GMBH
15 granted patents·360 citations·filing 1976–1992
Top patents by PatentIndex Score
15 records- 0190US4107522ARotary beam light curtainSICK ERWIN GMBH·Filed 1976·Granted Aug 15, 1978·68 cites·24 claims
- 0287US4126396ADevice for the non-dispersive optical determination of the concentration of gas and smoke componentsSICK ERWIN GMBH·Filed 1976·Granted Nov 21, 1978·72 cites·29 claims
- 0385US4127771AOptical apparatusSICK ERWIN GMBH·Filed 1976·Granted Nov 28, 1978·37 cites·21 claims
- 0482US4143367ASafety device for limiting the movement of doors and the like on contact with an obstacleSICK ERWIN GMBH·Filed 1977·Granted Mar 6, 1979·56 cites·23 claims
- 0577US4142105AMethod for producing a switching signal on the passage of a contrast jumpSICK ERWIN GMBH·Filed 1977·Granted Feb 27, 1979·29 cites·19 claims
- 0671US4076979ABottle color identification apparatusSICK ERWIN GMBH·Filed 1976·Granted Feb 28, 1978·20 cites·7 claims
- 0758US4116527ADevice for concentrating light from a linear field on to a receiverSICK ERWIN GMBH·Filed 1976·Granted Sep 26, 1978·14 cites·17 claims
- 0855US4085322AOptical apparatusSICK ERWIN GMBH·Filed 1976·Granted Apr 18, 1978·13 cites·17 claims
- 0948US4116566ALine scanning device for detecting defects in webs of materialSICK ERWIN GMBH·Filed 1976·Granted Sep 26, 1978·10 cites·22 claims
- 1042US4108533AApparatus for combining light emanating from a linear scanning fieldSICK ERWIN GMBH·Filed 1976·Granted Aug 22, 1978·9 cites·17 claims
- 1141US4310250AApparatus for monitoring for faults in translucent strip materialSICK ERWIN GMBH·Filed 1980·Granted Jan 12, 1982·8 cites·5 claims
- 1236US4117324ACurve follower deviceSICK ERWIN GMBH·Filed 1977·Granted Sep 26, 1978·4 cites·12 claims
- 1332US5298736AMirror collimator having a large aperture ratioSICK ERWIN GMBH·Filed 1992·Granted Mar 29, 1994·10 cites·21 claims
- 1432US4097733ADoor securing light barrierSICK ERWIN GMBH·Filed 1976·Granted Jun 27, 1978·8 cites·14 claims
- 1530US4632500ARotatable mirror arrangement for generating a scanning beam which is displaced in steps parallel to itselfSICK ERWIN GMBH·Filed 1984·Granted Dec 30, 1986·2 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →