Inventor

David R. Otis, Jr.

Inventor

Corvallis, OR, US

Overview

37→

Patents

1992–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 37 as inventor

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

B41Jprimary

B41JTypewriters56%

B01DSeparation4%

G01NInvestigating or analysing materials by determining their chemical or physical properties4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

A61MDevices for introducing media into, or onto, the body2%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%

B01LChemical or physical laboratory apparatus for general use2%

B05DProcesses for applying fluent materials to surfaces, in general2%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers2%

C01BNon-metallic elements2%

PatentTitleYear

10,850,530Printhead liquid delivery and gas removal2020 10,661,576Liquid-gas separator2020 10,603,922Vent2020 10,449,777Print system with volume substantially void of liquid2019 10,343,398System and method for creating a pico-fluidic inkjet2019 10,022,973Remote ink supply2018 9,944,074System and method for creating a pico-fluidic inkjet2018 9,279,895'Seismic sensing device'2016 8,733,274'Tube mounted inkjet printhead die'2014 8,544,992'Fluid cartridge for a printing device'2013 8,084,150'Fuel cartridges and apparatus including the same'2011 8,047,405'Volumetric is fluid dispensing devices, systems, and methods'2011 7,963,945'Replaceable supplies for IV fluid delivery systems'2011 7,867,548'Thermal ejection of solution having solute onto device medium'2011 7,648,220'Sensing of fluid ejected by drop-on-demand nozzles'2010 7,140,724'Imaging apparatus and methods for homogenizing ink'2006 7,140,850'Peristaltic pump with roller pinch valve control'2006 D0526010'Fluid container'2006 6,916,088'Ink container configured to establish reliable fluidic connection to a receiving station'2005 6,908,181'Redundant fluid interconnect seal for a modular ink jet delivery system'2005 6,890,051'Methods and apparatus for reducing the print-job completion time for a printer having an intermittent-refill printhead'2005 6,789,883'Method and apparatus for compensating for ink container extraction characteristics'2004 6,648,457'Redundant fluid interconnect seal for a modular ink jet delivery system'2003 6,572,214'Inkjet printing systems using filter fluid interconnects for pigmented inks'2003 6,511,166'Long-life spring-backed fluid interconnect seal'2003 6,464,346'Ink containment and delivery techniques'2002 6,458,526'Method and apparatus to inhibit bubble formation in a fluid'2002 6,454,381'Method and apparatus for providing ink container extraction characteristics to a printing system'2002 6,361,157'Long-life spring-backed fluid interconnect seal'2002 6,015,209'Replaceable ink container with fluid interconnect for coupling to an ink-jet printer'2000 5,988,806'Method for separating and purging gases from a free-ink ink-jet pen'1999 5,856,839'Ink supply having an integral pump'1999 5,841,454'Ink-jet pen gas separator and purge system'1998 5,815,182'Fluid interconnect for ink-jet pen'1998 5,777,646'Self-sealing fluid inerconnect with double sealing septum'1998 5,368,786'Apparatus and methods for humidity control'1994 5,109,234'Printhead warming method to defeat wait-time banding'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2003Patents assigned to HEWLETT PACKARD CO (11)· patent assignee history

1992Based in Somerville, MA, US· patent location history

1994Based in Madison, WI, US· patent location history

1998–2020Based in Corvallis, OR, US· patent location history

2003–2020Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (22)· patent assignee history

2004Based in C rvallis, OR, US· patent location history

2011–2016Patents assigned to OTIS JR DAVID R (3)· patent assignee history

2013–2018Patents assigned to OTIS DAVID R (2)· patent assignee history

2014–2018Patents assigned to NIELSEN JEFFREY A (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HEWLETT PACKARD DEVELOPMENT CO	22	2003–2020
HEWLETT PACKARD CO	11	1992–2003
OTIS JR DAVID Rself	3	2011–2016
NIELSEN JEFFREY A	2	2014–2018
OTIS DAVID Rself	2	2013–2018

Locations

Location	Patents	Span
Corvallis, OR, US	34	1998–2020
C rvallis, OR, US	1	2004
Madison, WI, US	1	1994
Somerville, Massachusetts, US	1	1992