Assignee
OCE VAN DER GRINTEN NV
68 granted patents·680 citations·filing 1973–1979
Top patents by PatentIndex Score
68 records- 0190US4183658ACopying apparatus with imaging belt and image transfer via an intermediate supportOCE VAN DER GRINTEN NV·Filed 1978·Granted Jan 15, 1980·47 cites·8 claims
- 0290US4095886AProcess and apparatus for fixing imagesOCE VAN DER GRINTEN NV·Filed 1977·Granted Jun 20, 1978·41 cites·14 claims
- 0386US4068622AMagnetic rollerOCE VAN DER GRINTEN NV·Filed 1976·Granted Jan 17, 1978·27 cites·11 claims
- 0486US4052210AElectrophotographic copying process and reproduction elementOCE VAN DER GRINTEN NV·Filed 1976·Granted Oct 4, 1977·20 cites·24 claims
- 0580US4203588ADevice for copying sheetlike originalsOCE VAN DER GRINTEN NV·Filed 1977·Granted May 20, 1980·16 cites·2 claims
- 0680US4068937ACopier image transfer systemOCE VAN DER GRINTEN NV·Filed 1976·Granted Jan 17, 1978·24 cites·14 claims
- 0780US3937919AFixing deviceOCE VAN DER GRINTEN NV·Filed 1973·Granted Feb 10, 1976·28 cites·32 claims
- 0879US4068620AProfiled rollerOCE VAN DER GRINTEN NV·Filed 1976·Granted Jan 17, 1978·22 cites·3 claims
- 0978US4345015ADispersion-heat process employing hydrophobic silica for producing spherical electrophotographic toner powderOCE VAN DER GRINTEN NV·Filed 1977·Granted Aug 17, 1982·26 cites·8 claims
- 1077US4092170APhotocopying materialsOCE VAN DER GRINTEN NV·Filed 1976·Granted May 30, 1978·23 cites·21 claims
- 1174US4058359AApparatus for copying sheet originalsOCE VAN DER GRINTEN NV·Filed 1974·Granted Nov 15, 1977·15 cites·12 claims
- 1273US4245836AApparatus for positioning sheet like originalsOCE VAN DER GRINTEN NV·Filed 1979·Granted Jan 20, 1981·11 cites·4 claims
- 1372US4228995ASorting deviceOCE VAN DER GRINTEN NV·Filed 1975·Granted Oct 21, 1980·18 cites·22 claims
- 1471US4110033AControl system for copying apparatusOCE VAN DER GRINTEN NV·Filed 1977·Granted Aug 29, 1978·16 cites·6 claims
- 1570US4168522ALight emission control for gas-discharge lampOCE VAN DER GRINTEN NV·Filed 1977·Granted Sep 18, 1979·16 cites·8 claims
- 1668US4108653APressure-fixable toner powder with a thermoplastic polyethylene binderOCE VAN DER GRINTEN NV·Filed 1976·Granted Aug 22, 1978·14 cites·11 claims
- 1768US4106868AElectrographic copying apparatus with surface-to-surface image transfersOCE VAN DER GRINTEN NV·Filed 1976·Granted Aug 15, 1978·14 cites·6 claims
- 1866US3957370ACopying device with a system for a reflex exposure of the originalOCE VAN DER GRINTEN NV·Filed 1974·Granted May 18, 1976·7 cites·8 claims
- 1965US3935009AElectrophotographic reproduction element of an aniline compound electron acceptorOCE VAN DER GRINTEN NV·Filed 1974·Granted Jan 27, 1976·11 cites·16 claims
- 2064US4179112AApparatus for conveying sheetlike original material to be copiedOCE VAN DER GRINTEN NV·Filed 1977·Granted Dec 18, 1979·7 cites·13 claims
- 2163US4073739AToner powder for electrostatic images comprising epoxy resinOCE VAN DER GRINTEN NV·Filed 1975·Granted Feb 14, 1978·12 cites·9 claims
- 2262US4021115AReproduction cameraOCE VAN DER GRINTEN NV·Filed 1975·Granted May 3, 1977·10 cites·5 claims
- 2359US4109134APower control circuit and electro(photo)graphic apparatus employing sameOCE VAN DER GRINTEN NV·Filed 1976·Granted Aug 22, 1978·16 cites·10 claims
- 2458US4207101AProcess for magnetically transferring a powder imageOCE VAN DER GRINTEN NV·Filed 1978·Granted Jun 10, 1980·9 cites·11 claims
- 2556US4235193AMagnetic brush apparatus for developing charge imagesOCE VAN DER GRINTEN NV·Filed 1978·Granted Nov 25, 1980·12 cites·9 claims
- 2656US4135475AApparatus for applying liquid to sheetlike materialOCE VAN DER GRINTEN NV·Filed 1977·Granted Jan 23, 1979·8 cites·9 claims
- 2756US4067296AMagnetic rollerOCE VAN DER GRINTEN NV·Filed 1976·Granted Jan 10, 1978·10 cites·16 claims
- 2854US4095887ADetector circuit for electrophotographic copierOCE VAN DER GRINTEN NV·Filed 1976·Granted Jun 20, 1978·8 cites·9 claims
- 2954US3996596AReproduction apparatusOCE VAN DER GRINTEN NV·Filed 1975·Granted Dec 7, 1976·7 cites·2 claims
- 3053US4321757ADrying apparatus and methodOCE VAN DER GRINTEN NV·Filed 1977·Granted Mar 30, 1982·17 cites·13 claims
- 3152US4286037AElectrostatic image one-component electrically conductive thermoplastic resin containing powdered developer prepared by coagulation in emulsionOCE VAN DER GRINTEN NV·Filed 1978·Granted Aug 25, 1981·11 cites·19 claims
- 3252US4252432AControl system for electrophotographic apparatusOCE VAN DER GRINTEN NV·Filed 1979·Granted Feb 24, 1981·8 cites·3 claims
- 3351US4095782ACollating apparatusOCE VAN DER GRINTEN NV·Filed 1977·Granted Jun 20, 1978·9 cites·8 claims
- 3449US3943886ADeveloping apparatus for electrostatic charge imagesOCE VAN DER GRINTEN NV·Filed 1974·Granted Mar 16, 1976·6 cites·16 claims
- 3548US4275137ALight-sensitive diazotype materialOCE VAN DER GRINTEN NV·Filed 1975·Granted Jun 23, 1981·7 cites·21 claims
- 3648US4165171AElectrographic apparatus and processOCE VAN DER GRINTEN NV·Filed 1976·Granted Aug 21, 1979·10 cites·47 claims
- 3748US4081212ASystem for electrostatically transferring powder imagesOCE VAN DER GRINTEN NV·Filed 1975·Granted Mar 28, 1978·10 cites·11 claims
- 3848US4035077ACopying apparatusOCE VAN DER GRINTEN NV·Filed 1976·Granted Jul 12, 1977·4 cites·9 claims
- 3947US4184765ACopying apparatus with device for transporting sheetlike originals yet covering various originals for exposureOCE VAN DER GRINTEN NV·Filed 1978·Granted Jan 22, 1980·3 cites·4 claims
- 4047US4146494AOne-component developer powder and process for its preparationOCE VAN DER GRINTEN NV·Filed 1977·Granted Mar 27, 1979·9 cites·11 claims
- 4147US4112870AApparatus for developing electrostatic charge imagesOCE VAN DER GRINTEN NV·Filed 1977·Granted Sep 12, 1978·8 cites·11 claims
- 4244US4095890AXerographic copying apparatusOCE VAN DER GRINTEN NV·Filed 1976·Granted Jun 20, 1978·6 cites·14 claims
- 4344US3985559AToner powder for electrostatic imagesOCE VAN DER GRINTEN NV·Filed 1974·Granted Oct 12, 1976·5 cites·7 claims
- 4441US3995585ALiquid application-deviceOCE VAN DER GRINTEN NV·Filed 1975·Granted Dec 7, 1976·6 cites·7 claims
- 4539US4061422ALight reflecting casingOCE VAN DER GRINTEN NV·Filed 1976·Granted Dec 6, 1977·12 cites·14 claims
- 4638US4077713ACopying apparatus with moving belt for transferring imagesOCE VAN DER GRINTEN NV·Filed 1976·Granted Mar 7, 1978·5 cites·5 claims
- 4736US4043816APhotographic process for making diazotype copies utilizing small quantity of liquid developerOCE VAN DER GRINTEN NV·Filed 1974·Granted Aug 23, 1977·5 cites·8 claims
- 4833US4108658AProcess for developing electrostatic latent imagesOCE VAN DER GRINTEN NV·Filed 1977·Granted Aug 22, 1978·4 cites·4 claims
- 4932US4054450AIndirect electrophotographic process with a nitro-phenolsultonephthaleinOCE VAN DER GRINTEN NV·Filed 1974·Granted Oct 18, 1977·3 cites·8 claims
- 5032US4026539AControl system of a sorting deviceOCE VAN DER GRINTEN NV·Filed 1975·Granted May 31, 1977·6 cites·7 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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