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Inventor

James D. Henry

Inventor
Midland, TX, US

Overview

5→
Patents
1989–2016
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F04Bprimary
F04BPositive-displacement machines for liquids25%
A61BDiagnosis13%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials13%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors13%
F02BInternal-combustion piston engines13%
F04DNon-positive-displacement pumps13%
F15BSystems acting by means of fluids in general13%
PatentTitleYear
9,447,788'Linear pump and motor systems and methods'20168,226,383'Downhole pump'20127,419,049'Archimedean conveyors and combustion engines'20085,980,467'Nutritional deficiency identification system'19994,815,255'Plastic bag placement apparatus and method'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Based in Ocean City, WA, US· patent location history
1999Based in Mobile, AL, US· patent location history
2008Patents assigned to HENRY JAMES D (1)· patent assignee history
2008Based in Seattle, WA, US· patent location history
2012Patents assigned to HENRY DAVID (1)· patent assignee history
2012Patents assigned to HENRY JAMES (1)· patent assignee history
2012–2016Based in Midland, TX, US· patent location history
2016Patents assigned to HARDWAY TREVOR (1)· patent assignee history
2016Patents assigned to HENRY JAMES C (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HARDWAY TREVOR12016
HENRY DAVID12012
HENRY JAMESself12012
HENRY JAMES C12016
HENRY JAMES Dself12008
Locations
LocationPatentsSpan
Midland, Texas, US22012–2016
Seattle, Washington, US12008
Mobile, AL, US11999
Ocean City, Washington, US11989