Inventor
COLUMBUS RICHARD L
US44 patents
⚠️ This page may combine multiple inventors who share the name “COLUMBUS RICHARD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EASTMAN KODAK CO
41 patentsUS5015228AMay 14, 1991
Sterilizing dressing device and method for skin puncture
EASTMAN KODAK CO264 citations99
US4988341AJan 29, 1991
Sterilizing dressing device and method for skin puncture
EASTMAN KODAK CO758 citations99
US4618476AOct 21, 1986
Capillary transport device having speed and meniscus control means
EASTMAN KODAK CO187 citations99
US4439526AMar 27, 1984
Clustered ingress apertures for capillary transport devices and method of use
EASTMAN KODAK CO163 citations99
US4426451AJan 17, 1984
Multi-zoned reaction vessel having pressure-actuatable control means between zones
EASTMAN KODAK CO704 citations99
US4323536AApr 6, 1982
Multi-analyte test device
EASTMAN KODAK CO244 citations99
US4271119AJun 2, 1981
Capillary transport device having connected transport zones
EASTMAN KODAK CO193 citations99
US4254083AMar 3, 1981
Structural configuration for transport of a liquid drop through an ingress aperture
EASTMAN KODAK CO309 citations99
US4233029ANov 11, 1980
Liquid transport device and method
EASTMAN KODAK CO487 citations99
US5193552AMar 16, 1993
Needle device for safely collecting blood or injecting drugs
EASTMAN KODAK CO152 citations98
US5039401AAug 13, 1991
Blood collection and centrifugal separation device including a valve
EASTMAN KODAK CO159 citations98
US4902624AFeb 20, 1990
Temperature cycling cuvette
EASTMAN KODAK CO176 citations98
US5230864AJul 27, 1993
Gravity assisted collection device
EASTMAN KODAK CO112 citations96
US5070884ADec 10, 1991
Needle device for safely collecting blood or injecting drugs
EASTMAN KODAK CO71 citations96
US5042978AAug 27, 1991
Container using a mass of porous material for liquid retention
EASTMAN KODAK CO62 citations96
US4549952AOct 29, 1985
Capillary transport device having means for increasing the viscosity of the transported liquid
EASTMAN KODAK CO71 citations96
US4473457ASep 25, 1984
Liquid transport device providing diversion of capillary flow into a non-vented second zone
EASTMAN KODAK CO83 citations96
US4437586AMar 20, 1984
Mechanically actuated pipette dispenser
EASTMAN KODAK CO68 citations96
US4413407ANov 8, 1983
Method for forming an electrode-containing device with capillary transport between electrodes
EASTMAN KODAK CO119 citations96
US4347875ASep 7, 1982
Self-cleaning nozzle construction for aspirators
EASTMAN KODAK CO55 citations96
US4310399AJan 12, 1982
Liquid transport device containing means for delaying capillary flow
EASTMAN KODAK CO84 citations96
US4302313ANov 24, 1981
Electrode-containing device with capillary transport between electrodes
EASTMAN KODAK CO78 citations96
US4169060ASep 25, 1979
Blood-collecting and serum-dispensing device
EASTMAN KODAK CO66 citations96
US4041995AAug 16, 1977
Gas pressure-activated drop dispenser
EASTMAN KODAK CO75 citations96
US5334247AAug 2, 1994
Coater design for low flowrate coating applications
EASTMAN KODAK CO81 citations95
US5055203AOct 8, 1991
Blood collection device with reduced serum dispensing volume and integral needle
EASTMAN KODAK CO47 citations93
US5010930AApr 30, 1991
Pipette and liquid transfer apparatus for dispensing liquid for analysis
EASTMAN KODAK CO27 citations93
US5007892AApr 16, 1991
Phase separation container with fixed means preventing remixing
EASTMAN KODAK CO44 citations93
US4971763ANov 20, 1990
Liquid-controlling nozzle geometry for dispensers of liquids
EASTMAN KODAK CO30 citations93
US4957582ASep 18, 1990
Capillary transport zone coated with adhesive
EASTMAN KODAK CO24 citations93
US4091802AMay 30, 1978
Vented liquid collection device
EASTMAN KODAK CO32 citations93
US4012325AMar 15, 1977
Biological fluid dispenser and separator
EASTMAN KODAK CO47 citations93
US5050617ASep 24, 1991
Removable handle and means for attachment to a syringe or phlebotomy device
EASTMAN KODAK CO40 citations92
US5032288AJul 16, 1991
Blood collection method
EASTMAN KODAK CO51 citations90
US4136036AJan 23, 1979
Collection and dispensing device for non-pressurized liquids
EASTMAN KODAK CO25 citations82
US5171532ADec 15, 1992
Centrifuge-containing analyzer
EASTMAN KODAK CO14 citations74
US4980129ADec 25, 1990
Kit of collection vessels of uniform outside dimensions, different volumes
EASTMAN KODAK CO12 citations74
US5159842ANov 3, 1992
Self-cleaning pipette tips
EASTMAN KODAK CO10 citations73
US4994192AFeb 19, 1991
Amine polymers as coagulator accelerators in blood phase separation
EASTMAN KODAK CO10 citations68
US4283134AAug 11, 1981
Film pack
EASTMAN KODAK CO5 citations63
US4370407AJan 25, 1983
Photographic products including liquid spreading means
EASTMAN KODAK CO1 citations52