Inventor

Christopher J. Arnold

Inventor

Vancouver, WA, US

Overview

8→

Patents

1988–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 8 as inventor

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

B41Jprimary

B41JTypewriters20%

F16KValves10%

A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons5%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%

B29CShaping or joining of plastics5%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering5%

B82YSpecific uses or applications of nanostructures5%

C01BNon-metallic elements5%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds5%

C10MLubricating compositions5%

PatentTitleYear

10,569,561Valves for fluid ejection devices2020 10,406,500Composition comprising nucleated nanodiamond particles2019 10,137,695Printhead priming2018 8,870,344'Cleaning of fluid ejection assembly'2014 8,770,217'Apparatus and methods for purging air from a fluid conveying tube'2014 6,271,614'Pulsed plasma drive electromagnetic motor generator'2001 5,507,513'Multi-terrain wheelchair'1996 4,724,438'Radar apparatus'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to MARCONI CO LTD (1)· patent assignee history

1988Based in Danbury, GB· patent location history

1996Based in Auburn, AL, US· patent location history

2001–2019Based in Lombard, IL, US· patent location history

2014–2020Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (4)· patent assignee history

2014–2019Patents assigned to ARNOLD CHRISTOPHER J (2)· patent assignee history

2014Patents assigned to JUSTICE GREGORY K (1)· patent assignee history

2014–2020Based in Vancouver, WA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HEWLETT PACKARD DEVELOPMENT CO	4	2014–2020
ARNOLD CHRISTOPHER Jself	2	2014–2019
JUSTICE GREGORY K	1	2014
MARCONI CO LTD	1	1988

Locations

Location	Patents	Span
Vancouver, Washington, US	4	2014–2020
Lombard, Illinois, US	2	2001–2019
Auburn, AL, US	1	1996
Danbury, GB	1	1988