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Inventor

James T. Arnold

Inventor
Sunnyvale, CA, US

Overview

12→
Patents
1991–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 12 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps28%
G01NInvestigating or analysing materials by determining their chemical or physical properties22%
B61LGuiding railway traffic17%
E01BPermanent way11%
Y10TTechnical subjects covered by former us classification11%
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool6%
H05GX-ray technique6%
PatentTitleYear
9,863,096'Point detector overtie structure'20189,384,935'Cathode structures for X-ray tubes'20169,096,243'Point detector overtie structure'20158,783,627'Shield device for a switch point adjusting element'20148,174,174'Cathode structures for X-ray tubes'20127,795,792'Cathode structures for X-ray tubes'20106,155,097'Method and apparatus for selectively extracting and compressing trace samples from a carrier to enhance detection'20005,872,306'Real-time gas-chromatography mass-spectrometry trace vapor detection'19995,827,945'Real-time gas-chromatography mass-spectrometry trace vapor detection'19985,541,975'X-ray tube having rotary anode cooled with high thermal conductivity fluid'19965,452,069'Spark sampling microparticle generator and method'19954,990,856'Mass analysis apparatus and method'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1999Patents assigned to VARIAN ASSOCIATES (4)· patent assignee history
1991–1999Based in Sunnyvale, CA, US· patent location history
2000–2016Based in Cupertino, CA, US· patent location history
2010–2016Patents assigned to VARIAN MED SYS INC (3)· patent assignee history
2012–2016Patents assigned to ARNOLD JAMES T (2)· patent assignee history
2012–2016Patents assigned to BANDY STEVE (2)· patent assignee history
2014–2018Patents assigned to ARNOLD JAMES (3)· patent assignee history
2014–2018Based in Grass Valley, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VARIAN ASSOCIATES41991–1999
ARNOLD JAMESself32014–2018
VARIAN MED SYS INC32010–2016
ARNOLD JAMES Tself22012–2016
BANDY STEVE22012–2016
Locations
LocationPatentsSpan
Sunnyvale, California, US51991–1999
Cupertino, California, US42000–2016
Grass Valley, California, US32014–2018