Assignee
NIXDORF COMPUTER AG
DE·121 granted patents·1,722 citations·filing 1974–1990
Top patents by PatentIndex Score
121 records- 0192US4919412AControl system for a draw-off system for sheet materialNIXDORF COMPUTER AG·Filed 1988·Granted Apr 24, 1990·45 cites·14 claims
- 0288US4352133AMagnetic disc memoryNIXDORF COMPUTER AG·Filed 1981·Granted Sep 28, 1982·42 cites·8 claims
- 0387US4524448AVariable delay unit for data synchronizer using phase-sensitive counter to vary the delayNIXDORF COMPUTER AG·Filed 1982·Granted Jun 18, 1985·73 cites·2 claims
- 0487US4158456ADevice for separating documents, cards and the like, especially paper money billsNIXDORF COMPUTER AG·Filed 1977·Granted Jun 19, 1979·29 cites·19 claims
- 0585US4213715AInk ribbon cartridge having a replaceable ribbon magazineNIXDORF COMPUTER AG·Filed 1978·Granted Jul 22, 1980·26 cites·16 claims
- 0684US4093877ASemi-conductor switching circuit with transistor switching power loss reduction meansNIXDORF COMPUTER AG·Filed 1976·Granted Jun 6, 1978·22 cites·6 claims
- 0784US4065713AVoltage stabilizerNIXDORF COMPUTER AG·Filed 1975·Granted Dec 27, 1977·30 cites·8 claims
- 0884US3951252AElectromechanical writing deviceNIXDORF COMPUTER AG·Filed 1974·Granted Apr 20, 1976·40 cites·7 claims
- 0982US4514743AInk jet filtered-chamber print headNIXDORF COMPUTER AG·Filed 1984·Granted Apr 30, 1985·32 cites·6 claims
- 1082US4407593AArrangement for monitoring the operation of the ink ribbon of an ink-ribbon magazineNIXDORF COMPUTER AG·Filed 1982·Granted Oct 4, 1983·28 cites·6 claims
- 1180US4703379AHard disk drive with erasing apparatusNIXDORF COMPUTER AG·Filed 1987·Granted Oct 27, 1987·26 cites·8 claims
- 1279US4743746AReceiving unit for a data card containing an electronic circuitNIXDORF COMPUTER AG·Filed 1985·Granted May 10, 1988·68 cites·5 claims
- 1379US4341100APortable certificate magazineNIXDORF COMPUTER AG·Filed 1979·Granted Jul 27, 1982·27 cites·10 claims
- 1479US4334732AElectrical connector unitNIXDORF COMPUTER AG·Filed 1980·Granted Jun 15, 1982·37 cites·28 claims
- 1575US5033887AProcess for the production of information relative to the type of a printing headNIXDORF COMPUTER AG·Filed 1989·Granted Jul 23, 1991·40 cites·20 claims
- 1675US4488146AInformation input and output unit for data processing equipmentNIXDORF COMPUTER AG·Filed 1982·Granted Dec 11, 1984·27 cites·13 claims
- 1775US4251010ACertificate dispenserNIXDORF COMPUTER AG·Filed 1978·Granted Feb 17, 1981·18 cites·19 claims
- 1873US4789287AThrough bolt connection for unilaterally accessible locationsNIXDORF COMPUTER AG·Filed 1986·Granted Dec 6, 1988·52 cites·14 claims
- 1972US4391542ADevice for the stepwise feed of printing media in an electromechanical print unitNIXDORF COMPUTER AG·Filed 1981·Granted Jul 5, 1983·18 cites·18 claims
- 2072US4354654ASwivel mounting unitNIXDORF COMPUTER AG·Filed 1980·Granted Oct 19, 1982·33 cites·7 claims
- 2169US4858905ADispensing device for sheet materialNIXDORF COMPUTER AG·Filed 1988·Granted Aug 22, 1989·16 cites·4 claims
- 2268US4698709ACarrier arrangement for magnetic heads of magnetic disk drive assemblyNIXDORF COMPUTER AG·Filed 1987·Granted Oct 6, 1987·19 cites·2 claims
- 2368US4540858AModular switch unit with snap-in base, separate modular switch unit and cover coded switch actuating interior lugsNIXDORF COMPUTER AG·Filed 1983·Granted Sep 10, 1985·14 cites·11 claims
- 2468US3970944APulse suppressing circuit arrangements and equipment incorporating the sameNIXDORF COMPUTER AG·Filed 1975·Granted Jul 20, 1976·23 cites·12 claims
- 2567US4598894AFastening system for fastening a device which has two spaced holding flangesNIXDORF COMPUTER AG·Filed 1984·Granted Jul 8, 1986·30 cites·9 claims
- 2665US4684794ATransport device for card-like recording mediumNIXDORF COMPUTER AG·Filed 1985·Granted Aug 4, 1987·26 cites·20 claims
- 2765US4170348ATransport device for reading of identification cardsNIXDORF COMPUTER AG·Filed 1977·Granted Oct 9, 1979·21 cites·23 claims
- 2864US4689654ALogic array chipNIXDORF COMPUTER AG·Filed 1986·Granted Aug 25, 1987·35 cites·8 claims
- 2964US3987880AWrap around spring clutchNIXDORF COMPUTER AG·Filed 1975·Granted Oct 26, 1976·14 cites·7 claims
- 3063US4875418ASet of components for constructing furniture piecesNIXDORF COMPUTER AG·Filed 1988·Granted Oct 24, 1989·35 cites·13 claims
- 3162US5122727AElectric power supply system with distribution of outputNIXDORF COMPUTER AG·Filed 1989·Granted Jun 16, 1992·26 cites·11 claims
- 3262US4829420AProcess and circuit arrangement for addressing the memories of a plurality of data processing units in a multiple line systemNIXDORF COMPUTER AG·Filed 1987·Granted May 9, 1989·56 cites·20 claims
- 3362USD247810SComputer central processing unit cabinetNIXDORF COMPUTER AG·Filed 1976·Granted May 2, 1978·8 cites·1 claims
- 3460US4642449ACashbox for a cash registerNIXDORF COMPUTER AG·Filed 1985·Granted Feb 10, 1987·18 cites·18 claims
- 3559USD247811SComputer terminal work stationNIXDORF COMPUTER AG·Filed 1976·Granted May 2, 1978·7 cites·1 claims
- 3658US4497588APrinting or typing apparatus with a rotating platen as well as guide devices for the paperNIXDORF COMPUTER AG·Filed 1982·Granted Feb 5, 1985·11 cites·3 claims
- 3757US4836784AUnit for display of information on a reading device for the blindNIXDORF COMPUTER AG·Filed 1985·Granted Jun 6, 1989·31 cites·16 claims
- 3857US4775075AMoney till having pivoting and sliding closureNIXDORF COMPUTER AG·Filed 1987·Granted Oct 4, 1988·15 cites·4 claims
- 3957US4504161APrinting and typing apparatus for the selective printing of single sheet or marginally perforated endless paperNIXDORF COMPUTER AG·Filed 1982·Granted Mar 12, 1985·11 cites·5 claims
- 4057US4273453ASelectively engageable ribbon re-inking device for ink ribbon cartridgeNIXDORF COMPUTER AG·Filed 1979·Granted Jun 16, 1981·8 cites·3 claims
- 4156US4935642ACircuit for distributing electrical power to several functional unitsNIXDORF COMPUTER AG·Filed 1988·Granted Jun 19, 1990·34 cites·17 claims
- 4255US4818902AIntegrated circuit componentNIXDORF COMPUTER AG·Filed 1986·Granted Apr 4, 1989·12 cites·9 claims
- 4355US4703162ADevice for receiving, inspecting and storing instruments of valueNIXDORF COMPUTER AG·Filed 1986·Granted Oct 27, 1987·19 cites·22 claims
- 4455US4305525AMethod and arrangement for dispensing sheet materialNIXDORF COMPUTER AG·Filed 1979·Granted Dec 15, 1981·9 cites·8 claims
- 4554US4338585ASolenoid having a hinged armatureNIXDORF COMPUTER AG·Filed 1980·Granted Jul 6, 1982·10 cites·5 claims
- 4654US4015185ASemiconductor switching circuit with transistor switching power loss reduction meansNIXDORF COMPUTER AG·Filed 1975·Granted Mar 29, 1977·7 cites·5 claims
- 4752US4940223AApparatus for receiving and orderly storing individual sheets in a containerNIXDORF COMPUTER AG·Filed 1989·Granted Jul 10, 1990·9 cites·12 claims
- 4852US4792658ADevice for soldering electronic structural elements of a circuit plate barNIXDORF COMPUTER AG·Filed 1986·Granted Dec 20, 1988·13 cites·7 claims
- 4950US4657316AViewing screen with a swiveling screen housingNIXDORF COMPUTER AG·Filed 1986·Granted Apr 14, 1987·18 cites·7 claims
- 5050US4468143ADevice for the mounting of a printing head and for the mounting and guidance of an ink ribbon for a printerNIXDORF COMPUTER AG·Filed 1982·Granted Aug 28, 1984·8 cites·4 claims
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