Inventor · disambiguated record
Richard L. Columbus
Also filed as: COLUMBUS RICHARD L · COLUMBUS RICHARD LEWIS
45 granted patents·1 pending application·5,588 citations·filing 1975–2004
99Inventor score
Top patents by PatentIndex Score
46 records- 0199US4618476ACapillary transport device having speed and meniscus control meansEASTMAN KODAK CO·Filed 1984·Granted Oct 21, 1986·187 cites·8 claims
- 0299US4426451AMulti-zoned reaction vessel having pressure-actuatable control means between zonesEASTMAN KODAK CO·Filed 1981·Granted Jan 17, 1984·704 cites·42 claims
- 0399US4271119ACapillary transport device having connected transport zonesEASTMAN KODAK CO·Filed 1980·Granted Jun 2, 1981·193 cites·10 claims
- 0499US4254083AStructural configuration for transport of a liquid drop through an ingress apertureEASTMAN KODAK CO·Filed 1979·Granted Mar 3, 1981·309 cites·19 claims
- 0599US4233029ALiquid transport device and methodEASTMAN KODAK CO·Filed 1978·Granted Nov 11, 1980·487 cites·33 claims
- 0698US6861259B2Method of using a cartridge for containing a specimen sample for optical analysisIMMUNIVEST CORP·Filed 2002·Granted Mar 1, 2005·110 cites·2 claims
- 0798US5334247ACoater design for low flowrate coating applicationsEASTMAN KODAK CO·Filed 1991·Granted Aug 2, 1994·81 cites·7 claims
- 0898US4439526AClustered ingress apertures for capillary transport devices and method of useEASTMAN KODAK CO·Filed 1982·Granted Mar 27, 1984·163 cites·7 claims
- 0998US4413407AMethod for forming an electrode-containing device with capillary transport between electrodesEASTMAN KODAK CO·Filed 1981·Granted Nov 8, 1983·119 cites·5 claims
- 1098US4323536AMulti-analyte test deviceEASTMAN KODAK CO·Filed 1980·Granted Apr 6, 1982·244 cites·6 claims
- 1197US4988341ASterilizing dressing device and method for skin punctureEASTMAN KODAK CO·Filed 1989·Granted Jan 29, 1991·758 cites·4 claims
- 1297US4310399ALiquid transport device containing means for delaying capillary flowEASTMAN KODAK CO·Filed 1979·Granted Jan 12, 1982·84 cites·19 claims
- 1396US7604777B2Cartridge for containing a specimen sample for optical analysisVERIDEX LLC·Filed 2004·Granted Oct 20, 2009·83 cites·4 claims
- 1496US4041995AGas pressure-activated drop dispenserEASTMAN KODAK CO·Filed 1975·Granted Aug 16, 1977·75 cites·32 claims
- 1595US4302313AElectrode-containing device with capillary transport between electrodesEASTMAN KODAK CO·Filed 1980·Granted Nov 24, 1981·78 cites·25 claims
- 1694US4902624ATemperature cycling cuvetteEASTMAN KODAK CO·Filed 1988·Granted Feb 20, 1990·176 cites·26 claims
- 1794US4473457ALiquid transport device providing diversion of capillary flow into a non-vented second zoneEASTMAN KODAK CO·Filed 1982·Granted Sep 25, 1984·83 cites·12 claims
- 1894US4437586AMechanically actuated pipette dispenserEASTMAN KODAK CO·Filed 1982·Granted Mar 20, 1984·68 cites·8 claims
- 1992US4549952ACapillary transport device having means for increasing the viscosity of the transported liquidEASTMAN KODAK CO·Filed 1983·Granted Oct 29, 1985·71 cites·21 claims
- 2092US4347875ASelf-cleaning nozzle construction for aspiratorsEASTMAN KODAK CO·Filed 1980·Granted Sep 7, 1982·55 cites·18 claims
- 2190US4012325ABiological fluid dispenser and separatorEASTMAN KODAK CO·Filed 1975·Granted Mar 15, 1977·47 cites·29 claims
- 2288US5193552ANeedle device for safely collecting blood or injecting drugsEASTMAN KODAK CO·Filed 1991·Granted Mar 16, 1993·152 cites·23 claims
- 2387US5039401ABlood collection and centrifugal separation device including a valveEASTMAN KODAK CO·Filed 1990·Granted Aug 13, 1991·159 cites·14 claims
- 2487US5015228ASterilizing dressing device and method for skin punctureEASTMAN KODAK CO·Filed 1990·Granted May 14, 1991·264 cites·3 claims
- 2584US5042978AContainer using a mass of porous material for liquid retentionEASTMAN KODAK CO·Filed 1990·Granted Aug 27, 1991·62 cites·9 claims
- 2681US5230864AGravity assisted collection deviceEASTMAN KODAK CO·Filed 1991·Granted Jul 27, 1993·112 cites·17 claims
- 2777US4136036ACollection and dispensing device for non-pressurized liquidsEASTMAN KODAK CO·Filed 1978·Granted Jan 23, 1979·25 cites·24 claims
- 2875US4169060ABlood-collecting and serum-dispensing deviceEASTMAN KODAK CO·Filed 1977·Granted Sep 25, 1979·66 cites·8 claims
- 2974US4050451ABlood collection and separation deviceEASTMAN KODAK CO·Filed 1976·Granted Sep 27, 1977·61 cites·19 claims
- 3073US5070884ANeedle device for safely collecting blood or injecting drugsEASTMAN KODAK CO·Filed 1990·Granted Dec 10, 1991·71 cites·1 claims
- 3165US5007892APhase separation container with fixed means preventing remixingEASTMAN KODAK CO·Filed 1989·Granted Apr 16, 1991·44 cites·9 claims
- 3261US5055203ABlood collection device with reduced serum dispensing volume and integral needleEASTMAN KODAK CO·Filed 1990·Granted Oct 8, 1991·47 cites·14 claims
- 3359US4091802AVented liquid collection deviceEASTMAN KODAK CO·Filed 1976·Granted May 30, 1978·32 cites·18 claims
- 3457US4971763ALiquid-controlling nozzle geometry for dispensers of liquidsEASTMAN KODAK CO·Filed 1989·Granted Nov 20, 1990·30 cites·10 claims
- 3556US5743861ABlood collection deviceABBOTT LAB·Filed 1996·Granted Apr 28, 1998·94 cites·13 claims
- 3655US4283134AFilm packEASTMAN KODAK CO·Filed 1980·Granted Aug 11, 1981·5 cites·8 claims
- 3754US5010930APipette and liquid transfer apparatus for dispensing liquid for analysisEASTMAN KODAK CO·Filed 1989·Granted Apr 30, 1991·27 cites·6 claims
- 3851US4957582ACapillary transport zone coated with adhesiveEASTMAN KODAK CO·Filed 1989·Granted Sep 18, 1990·24 cites·12 claims
- 3949US5171532ACentrifuge-containing analyzerEASTMAN KODAK CO·Filed 1990·Granted Dec 15, 1992·14 cites·6 claims
- 4048US5032288ABlood collection methodEASTMAN KODAK CO·Filed 1990·Granted Jul 16, 1991·51 cites·4 claims
- 4146US5050617ARemovable handle and means for attachment to a syringe or phlebotomy deviceEASTMAN KODAK CO·Filed 1990·Granted Sep 24, 1991·40 cites·4 claims
- 4239US4980129AKit of collection vessels of uniform outside dimensions, different volumesEASTMAN KODAK CO·Filed 1989·Granted Dec 25, 1990·12 cites·8 claims
- 4338US4994192AAmine polymers as coagulator accelerators in blood phase separationEASTMAN KODAK CO·Filed 1990·Granted Feb 19, 1991·10 cites·10 claims
- 4436US2004217069A1Rotor assembly for the collection, separation, and sampling of rare blood cellsIMMUNICON CORP·Filed 2004·Application pending·0 cites
- 4534US5159842ASelf-cleaning pipette tipsEASTMAN KODAK CO·Filed 1991·Granted Nov 3, 1992·10 cites·4 claims
- 4633US4370407APhotographic products including liquid spreading meansEASTMAN KODAK CO·Filed 1981·Granted Jan 25, 1983·1 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →