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Inventor

Richard Jackson

Inventor
Thorsby, CA

Overview

3→
Patents
1977–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

E21Bprimary
E21BEarth or rock drilling25%
F04DNon-positive-displacement pumps25%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g25%
E04BGeneral building constructions13%
F04BPositive-displacement machines for liquids13%
PatentTitleYear
10,280,930Surface pump assembly20199,366,240'Surface pump assembly'20164,056,909'Surface waterstops'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to SCHLEGEL UK LTD (1)· patent assignee history
1977Based in Cinderford, GB· patent location history
2016Patents assigned to OILFIELD EQUIPMENT DEV CT LTD (1)· patent assignee history
2016–2019Based in Thorsby, CA· patent location history
2019Patents assigned to OILFIELD EQUIPMENT DEVELOPMENT CENTER LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OILFIELD EQUIPMENT DEV CT LTD12016
OILFIELD EQUIPMENT DEVELOPMENT CENTER LTD12019
SCHLEGEL UK LTD11977
Locations
LocationPatentsSpan
Thorsby, CA22016–2019
Cinderford, GB11977