Assignee
LANDIS & GYR BETRIEBS AG
CH·35 granted patents·2,271 citations·filing 1988–1995
Top patents by PatentIndex Score
35 records- 0197US5032003AOptially variable surface patternLANDIS & GYR BETRIEBS AG·Filed 1989·Granted Jul 16, 1991·174 cites·14 claims
- 0295US5109767ADevice for the embossing of fine structuresLANDIS & GYR BETRIEBS AG·Filed 1990·Granted May 5, 1992·108 cites·8 claims
- 0395US5106125AArrangement to improve forgery protection of credit documentsLANDIS & GYR BETRIEBS AG·Filed 1990·Granted Apr 21, 1992·172 cites·12 claims
- 0494US5140166ADevice for aligning sheets with plural drive roller groups on a common shaftLANDIS & GYR BETRIEBS AG·Filed 1990·Granted Aug 18, 1992·44 cites·8 claims
- 0594US5076441ADevice for the acceptance and delivery of banknotes and process for its operationLANDIS & GYR BETRIEBS AG·Filed 1990·Granted Dec 31, 1991·215 cites·27 claims
- 0693US5304813AApparatus for the optical recognition of documentsLANDIS & GYR BETRIEBS AG·Filed 1992·Granted Apr 19, 1994·351 cites·10 claims
- 0790US5124624AArrangement for electrical measurementLANDIS & GYR BETRIEBS AG·Filed 1990·Granted Jun 23, 1992·88 cites·22 claims
- 0888US5247202APlurality of arrangements each including an ic magnetic field sensor and two ferromagnetic field concentrators, and a procedure for incorporating each arrangement into a packageLANDIS & GYR BETRIEBS AG·Filed 1992·Granted Sep 21, 1993·120 cites·6 claims
- 0986US5287516ADemodulation process for binary dataLANDIS & GYR BETRIEBS AG·Filed 1991·Granted Feb 15, 1994·148 cites·4 claims
- 1086US5128537ADevice for optically measuring a pressure differentialLANDIS & GYR BETRIEBS AG·Filed 1991·Granted Jul 7, 1992·63 cites·12 claims
- 1183US5207855AApparatus for sticking on stamps from an embossing foilLANDIS & GYR BETRIEBS AG·Filed 1990·Granted May 4, 1993·64 cites·12 claims
- 1282US5538753ASecurity elementLANDIS & GYR BETRIEBS AG·Filed 1995·Granted Jul 23, 1996·55 cites·3 claims
- 1382US5104471AInterlaminar sandwich with diffraction structureLANDIS & GYR BETRIEBS AG·Filed 1990·Granted Apr 14, 1992·56 cites·23 claims
- 1482US5032785AArrangement for measuring an electrical power or energyLANDIS & GYR BETRIEBS AG·Filed 1990·Granted Jul 16, 1991·62 cites·15 claims
- 1581US5714213ASecurtiy elementLANDIS & GYR BETRIEBS AG·Filed 1994·Granted Feb 3, 1998·56 cites·16 claims
- 1680US5276631AProcess for automatic calibration or re-calibration of measurements of a physical variableLANDIS & GYR BETRIEBS AG·Filed 1991·Granted Jan 4, 1994·42 cites·9 claims
- 1780US5130776AUltraviolet-light photodiodeLANDIS & GYR BETRIEBS AG·Filed 1990·Granted Jul 14, 1992·69 cites·17 claims
- 1874US5262715AArrangement for the measurement of reactive power or reactive energyLANDIS & GYR BETRIEBS AG·Filed 1992·Granted Nov 16, 1993·48 cites·6 claims
- 1972US5047651AArrangement for measuring a deviation from its line of a movable web of foilLANDIS & GYR BETRIEBS AG·Filed 1990·Granted Sep 10, 1991·34 cites·12 claims
- 2072US4910570APhoto-detector for ultraviolet and process for its productionLANDIS & GYR BETRIEBS AG·Filed 1988·Granted Mar 20, 1990·26 cites·11 claims
- 2171US5116037AApparatus for receiving and issuing sheetsLANDIS & GYR BETRIEBS AG·Filed 1991·Granted May 26, 1992·24 cites·12 claims
- 2269US5249150AProcess and circuit to determine estimates of the instantaneous value of parameters of at least one sinusoidal signal with constant and known frequency which is an additive component of a measuring signalLANDIS & GYR BETRIEBS AG·Filed 1991·Granted Sep 28, 1993·32 cites·19 claims
- 2368US5034616ADevice for optically scanning sheet-like documentsLANDIS & GYR BETRIEBS AG·Filed 1990·Granted Jul 23, 1991·53 cites·17 claims
- 2463US5119024AOptical device for sensing magnetic inductionsLANDIS & GYR BETRIEBS AG·Filed 1991·Granted Jun 2, 1992·25 cites·10 claims
- 2560US5278500APlanar, core saturation principle, low flux magnetic field sensorLANDIS & GYR BETRIEBS AG·Filed 1992·Granted Jan 11, 1994·27 cites·15 claims
- 2657US5231462AOptical spectrophotometer with wavelength modulationLANDIS & GYR BETRIEBS AG·Filed 1992·Granted Jul 27, 1993·27 cites·13 claims
- 2750US5276396APlanar magnetic harmonic sensor for detecting small quantities of magnetic substancesLANDIS & GYR BETRIEBS AG·Filed 1992·Granted Jan 4, 1994·15 cites·18 claims
- 2850US4993556ATurning device for sheet-like items and process for its operationLANDIS & GYR BETRIEBS AG·Filed 1989·Granted Feb 19, 1991·8 cites·16 claims
- 2947US5282612APlural compartment cartridge for flexible billsLANDIS & GYR BETRIEBS AG·Filed 1992·Granted Feb 1, 1994·12 cites·20 claims
- 3047US5125753ADevice to measure flow-through and/or quantity of heatLANDIS & GYR BETRIEBS AG·Filed 1991·Granted Jun 30, 1992·15 cites·9 claims
- 3139US5139149AApparatus for stacking sheetsLANDIS & GYR BETRIEBS AG·Filed 1991·Granted Aug 18, 1992·9 cites·7 claims
- 3239US5136514ATariff arrangement with secure bidirectional interfaceLANDIS & GYR BETRIEBS AG·Filed 1990·Granted Aug 4, 1992·15 cites·5 claims
- 3337US5194750AHigh precision ccd magnetic field sensorLANDIS & GYR BETRIEBS AG·Filed 1992·Granted Mar 16, 1993·6 cites·14 claims
- 3432US5072173APhase detector for mark/space modulated signalsLANDIS & GYR BETRIEBS AG·Filed 1989·Granted Dec 10, 1991·3 cites·8 claims
- 3530US5153823ADevice to measure and/or control flow-through and/or quantity of heatLANDIS & GYR BETRIEBS AG·Filed 1990·Granted Oct 6, 1992·5 cites·12 claims
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