Assignee
SICK OPTIK ELEKTRONIK ERWIN
131 granted patents·2,785 citations·filing 1973–1996
Top patents by PatentIndex Score
131 records- 0193US4180702APhoto electric light detection devicesSICK OPTIK ELEKTRONIK ERWIN·Filed 1977·Granted Dec 25, 1979·69 cites·28 claims
- 0292US4448529ASpectral analysis of a beam of radiationSICK OPTIK ELEKTRONIK ERWIN·Filed 1981·Granted May 15, 1984·65 cites·45 claims
- 0392US4346293AOptical electronic distance sensor with a parallel beam of light and adjustable detector-emitter separationSICK OPTIK ELEKTRONIK ERWIN·Filed 1980·Granted Aug 24, 1982·74 cites·7 claims
- 0491US4820033ASolar mirror apparatusSICK OPTIK ELEKTRONIK ERWIN·Filed 1987·Granted Apr 11, 1989·62 cites·12 claims
- 0588US5455669ALaser range finding apparatusSICK OPTIK ELEKTRONIK ERWIN·Filed 1993·Granted Oct 3, 1995·166 cites·44 claims
- 0688US4310756ALight grid arrangement using cyclically switched semiconductor light sourcesSICK OPTIK ELEKTRONIK ERWIN·Filed 1979·Granted Jan 12, 1982·45 cites·16 claims
- 0787US4775238AOptical web monitoring apparatusSICK OPTIK ELEKTRONIK ERWIN·Filed 1986·Granted Oct 4, 1988·63 cites·22 claims
- 0887US4532388AElongate resilient section at the closure edge of a closureSICK OPTIK ELEKTRONIK ERWIN·Filed 1983·Granted Jul 30, 1985·34 cites·12 claims
- 0986US5130532ALight barrier grid with electrically decoupled emitters and detectors which are operatable in synchronismSICK OPTIK ELEKTRONIK ERWIN·Filed 1989·Granted Jul 14, 1992·63 cites·21 claims
- 1086US4603976AOptical mark recognition apparatusSICK OPTIK ELEKTRONIK ERWIN·Filed 1983·Granted Aug 5, 1986·50 cites·10 claims
- 1185US4576047AApparatus for determining the transit time of ultrasonic pulses in a fluidSICK OPTIK ELEKTRONIK ERWIN·Filed 1984·Granted Mar 18, 1986·36 cites·4 claims
- 1285US4201467AGas velocity meterSICK OPTIK ELEKTRONIK ERWIN·Filed 1977·Granted May 6, 1980·37 cites·20 claims
- 1384US4184770AMonitoring systemsSICK OPTIK ELEKTRONIK ERWIN·Filed 1978·Granted Jan 22, 1980·33 cites·9 claims
- 1483US4900153AOptical surface inspection apparatusSICK OPTIK ELEKTRONIK ERWIN·Filed 1988·Granted Feb 13, 1990·52 cites·19 claims
- 1580US4402609ALight curtain apparatusSICK OPTIK ELEKTRONIK ERWIN·Filed 1980·Granted Sep 6, 1983·47 cites·16 claims
- 1679US4668859AProtective zone device for a vehicleSICK OPTIK ELEKTRONIK ERWIN·Filed 1985·Granted May 26, 1987·60 cites·22 claims
- 1778US5250801AOptical sensor for detecting articles in a monitored region and method for operating the sameSICK OPTIK ELEKTRONIK ERWIN·Filed 1991·Granted Oct 5, 1993·43 cites·19 claims
- 1878US4052120AOptical apparatus for producing a light curtainSICK OPTIK ELEKTRONIK ERWIN·Filed 1975·Granted Oct 4, 1977·35 cites·36 claims
- 1977US4746020AMethod and an apparatus for marking faults on rapidly moving material websSICK OPTIK ELEKTRONIK ERWIN·Filed 1986·Granted May 24, 1988·43 cites·8 claims
- 2077US4336997AChange of distance measuring apparatusSICK OPTIK ELEKTRONIK ERWIN·Filed 1980·Granted Jun 29, 1982·30 cites·14 claims
- 2177US4302105ADetection apparatus for finding holes in websSICK OPTIK ELEKTRONIK ERWIN·Filed 1979·Granted Nov 24, 1981·27 cites·4 claims
- 2274US4181398AOptical apparatusSICK OPTIK ELEKTRONIK ERWIN·Filed 1977·Granted Jan 1, 1980·23 cites·12 claims
- 2371US5903355AMethod and apparatus for checking a predetermined monitoring areaSICK OPTIK ELEKTRONIK ERWIN·Filed 1995·Granted May 11, 1999·68 cites·25 claims
- 2471US5781306AMeasuring apparatus for gas analysisSICK OPTIK ELEKTRONIK ERWIN·Filed 1995·Granted Jul 14, 1998·43 cites·27 claims
- 2571US5418409AComparator circuit for triggering a switching process when a variable measurement signal passes through a switching thresholdSICK OPTIK ELEKTRONIK ERWIN·Filed 1993·Granted May 23, 1995·28 cites·19 claims
- 2671US4924086AOptical scanning apparatus for detecting faults on a surfaceSICK OPTIK ELEKTRONIK ERWIN·Filed 1988·Granted May 8, 1990·28 cites·12 claims
- 2771US4196961AOptical apparatus for correcting the spherical aberration of a spherical concave mirrorSICK OPTIK ELEKTRONIK ERWIN·Filed 1977·Granted Apr 8, 1980·25 cites·13 claims
- 2870US5583334AMethod and apparatus for the detection of defective light transmitters and/or receivers of a light grid for detecting objects in a surveillance areaSICK OPTIK ELEKTRONIK ERWIN·Filed 1994·Granted Dec 10, 1996·41 cites·9 claims
- 2970US3937038ADevice for the continuous monitoring of the condition of the needle heads on a circular knitting machineSICK OPTIK ELEKTRONIK ERWIN·Filed 1973·Granted Feb 10, 1976·12 cites·11 claims
- 3069US5243402AOptical inspection apparatusSICK OPTIK ELEKTRONIK ERWIN·Filed 1991·Granted Sep 7, 1993·36 cites·18 claims
- 3169US5180922ADistance measuring apparatus with phase detectionSICK OPTIK ELEKTRONIK ERWIN·Filed 1991·Granted Jan 19, 1993·52 cites·13 claims
- 3269US4671663AOptical fault seeking apparatusSICK OPTIK ELEKTRONIK ERWIN·Filed 1985·Granted Jun 9, 1987·29 cites·25 claims
- 3369US4339660AReflection light barrier apparatus for recognizing both strongly and weakly reflecting objectsSICK OPTIK ELEKTRONIK ERWIN·Filed 1980·Granted Jul 13, 1982·29 cites·4 claims
- 3468US5805468AMethod and apparatus for determining the light transit time over a measurement path arranged between a measuring apparatus and a reflecting objectSICK OPTIK ELEKTRONIK ERWIN·Filed 1996·Granted Sep 8, 1998·81 cites·14 claims
- 3568US4532430AFault detection apparatus for material websSICK OPTIK ELEKTRONIK ERWIN·Filed 1983·Granted Jul 30, 1985·19 cites·2 claims
- 3668US4250498ALight barrier receiverSICK OPTIK ELEKTRONIK ERWIN·Filed 1979·Granted Feb 10, 1981·19 cites·20 claims
- 3767US4436364APiezoelectric apparatus for producing rotary oscillation of a mirrorSICK OPTIK ELEKTRONIK ERWIN·Filed 1981·Granted Mar 13, 1984·29 cites·9 claims
- 3866US4967074AScanner for the detection of bar codes on articlesSICK OPTIK ELEKTRONIK ERWIN·Filed 1988·Granted Oct 30, 1990·31 cites·16 claims
- 3966US4738529AApparatus for measuring the transit time of electromagnetic wavesSICK OPTIK ELEKTRONIK ERWIN·Filed 1985·Granted Apr 19, 1988·27 cites·15 claims
- 4066US4561722ABeam dividerSICK OPTIK ELEKTRONIK ERWIN·Filed 1983·Granted Dec 31, 1985·27 cites·10 claims
- 4165US4354106ALight barrier apparatusSICK OPTIK ELEKTRONIK ERWIN·Filed 1980·Granted Oct 12, 1982·23 cites·16 claims
- 4265US4004152AApparatus for monitoring a moving web of material for faultsSICK OPTIK ELEKTRONIK ERWIN·Filed 1975·Granted Jan 18, 1977·22 cites·14 claims
- 4364US4938601AOptical web monitoring device with row cameras with directed illuminationSICK OPTIK ELEKTRONIK ERWIN·Filed 1988·Granted Jul 3, 1990·22 cites·13 claims
- 4464US4464014ARetroreflectors, especially for beam scanning applications and beam scanning apparatus incorporating such retroreflectorsSICK OPTIK ELEKTRONIK ERWIN·Filed 1981·Granted Aug 7, 1984·21 cites·5 claims
- 4564US4431309AMonitoring apparatusSICK OPTIK ELEKTRONIK ERWIN·Filed 1981·Granted Feb 14, 1984·19 cites·7 claims
- 4663US4025796APhotoelectric instrument for measuring the length of an objectSICK OPTIK ELEKTRONIK ERWIN·Filed 1975·Granted May 24, 1977·16 cites·13 claims
- 4763US4021665ALight beam switch housing structureSICK OPTIK ELEKTRONIK ERWIN·Filed 1975·Granted May 3, 1977·32 cites·14 claims
- 4862US5481096ABar code reader and method for its operationSICK OPTIK ELEKTRONIK ERWIN·Filed 1994·Granted Jan 2, 1996·32 cites·6 claims
- 4962US4864121ALight curtain with periodic light transmitter arrangementSICK OPTIK ELEKTRONIK ERWIN·Filed 1988·Granted Sep 5, 1989·26 cites·12 claims
- 5062US4684768AResilient sectional strip for mounting to a closure edgeSICK OPTIK ELEKTRONIK ERWIN·Filed 1986·Granted Aug 4, 1987·27 cites·10 claims
Showing the top 50 of 131 patent records by PatentIndex Score.
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