Inventor

Richard L. Columbus

Inventor

Rochester, NY, US

Overview

45→

Patents

1977–2009

Patent span

Performing operations

Primary field (CPC B)

Patents· 45 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Lprimary

B01LChemical or physical laboratory apparatus for general use34%

G01NInvestigating or analysing materials by determining their chemical or physical properties21%

A61BDiagnosis12%

Y10TTechnical subjects covered by former us classification11%

A61MDevices for introducing media into, or onto, the body8%

A61FFilters implantable into blood vessels2%

B01DSeparation2%

G02BOptical elements, systems or apparatus2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry1%

PatentTitleYear

7,604,777'Cartridge for containing a specimen sample for optical analysis'2009 6,861,259'Method of using a cartridge for containing a specimen sample for optical analysis'2005 5,743,861'Blood collection device'1998 5,334,247'Coater design for low flowrate coating applications'1994 5,230,864'Gravity assisted collection device'1993 5,193,552'Needle device for safely collecting blood or injecting drugs'1993 5,171,532'Centrifuge-containing analyzer'1992 5,159,842'Self-cleaning pipette tips'1992 5,070,884'Needle device for safely collecting blood or injecting drugs'1991 5,055,203'Blood collection device with reduced serum dispensing volume and integral needle'1991 5,050,617'Removable handle and means for attachment to a syringe or phlebotomy device'1991 5,042,978'Container using a mass of porous material for liquid retention'1991 5,039,401'Blood collection and centrifugal separation device including a valve'1991 5,032,288'Blood collection method'1991 5,015,228'Sterilizing dressing device and method for skin puncture'1991 5,010,930'Pipette and liquid transfer apparatus for dispensing liquid for analysis'1991 5,007,892'Phase separation container with fixed means preventing remixing'1991 4,994,192'Amine polymers as coagulator accelerators in blood phase separation'1991 4,988,341'Sterilizing dressing device and method for skin puncture'1991 4,980,129'Kit of collection vessels of uniform outside dimensions, different volumes'1990 4,971,763'Liquid-controlling nozzle geometry for dispensers of liquids'1990 4,957,582'Capillary transport zone coated with adhesive'1990 4,902,624'Temperature cycling cuvette'1990 4,618,476'Capillary transport device having speed and meniscus control means'1986 4,549,952'Capillary transport device having means for increasing the viscosity of the transported liquid'1985 4,473,457'Liquid transport device providing diversion of capillary flow into a non-vented second zone'1984 4,439,526'Clustered ingress apertures for capillary transport devices and method of use'1984 4,437,586'Mechanically actuated pipette dispenser'1984 4,426,451'Multi-zoned reaction vessel having pressure-actuatable control means between zones'1984 4,413,407'Method for forming an electrode-containing device with capillary transport between electrodes'1983 4,370,407'Photographic products including liquid spreading means'1983 4,347,875'Self-cleaning nozzle construction for aspirators'1982 4,323,536'Multi-analyte test device'1982 4,310,399'Liquid transport device containing means for delaying capillary flow'1982 4,302,313'Electrode-containing device with capillary transport between electrodes'1981 4,283,134'Film pack'1981 4,271,119'Capillary transport device having connected transport zones'1981 4,254,083'Structural configuration for transport of a liquid drop through an ingress aperture'1981 4,233,029'Liquid transport device and method'1980 4,169,060'Blood-collecting and serum-dispensing device'1979 4,136,036'Collection and dispensing device for non-pressurized liquids'1979 4,091,802'Vented liquid collection device'1978 4,050,451'Blood collection and separation device'1977 4,041,995'Gas pressure-activated drop dispenser'1977 4,012,325'Biological fluid dispenser and separator'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1994Patents assigned to EASTMAN KODAK CO (42)· patent assignee history

1977–2009Based in Rochester, NY, US· patent location history

1998Patents assigned to ABBOTT LAB (1)· patent assignee history

2005Patents assigned to IMMUNIVEST CORP (1)· patent assignee history

2009Patents assigned to VERIDEX LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EASTMAN KODAK CO	42	1977–1994
ABBOTT LAB	1	1998
IMMUNIVEST CORP	1	2005
VERIDEX LLC	1	2009

Locations

Location	Patents	Span
Rochester, New York, US	45	1977–2009