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Inventor

Michael O'Brien

Inventor
Davis, CA, US

Overview

4→
Patents
1977–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B07Bprimary
B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents22%
B07CPostal sorting22%
A61KPreparations for medical, dental or toiletry purposes11%
F01DNon-positive displacement machines or engines, e.g. steam turbines11%
F02CGas-turbine plants11%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants11%
G01GWeighing11%
PatentTitleYear
10,041,409Oil control module20187,097,861'Method of treating livestock footbath solutions'20064,363,408'Weighing and grading samples in order to grade large batches of fruit'19824,043,443'Fruit sub-sampler and grading table'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1982Patents assigned to UNIV CALIFORNIA (2)· patent assignee history
1977–1982Based in Davis, CA, US· patent location history
2006Patents assigned to HAMILTON JONES CO (1)· patent assignee history
2006Based in Oakdale, CA, US· patent location history
2018Patents assigned to UNITED TECHNOLOGIES CORP (1)· patent assignee history
2018Based in East Hampton, CT, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV CALIFORNIA21977–1982
HAMILTON JONES CO12006
UNITED TECHNOLOGIES CORP12018
Locations
LocationPatentsSpan
Davis, California, US21977–1982
East Hampton, CT, US12018
Oakdale, California, US12006