Inventor

Thomas J. Ames

Inventor
Houston, TX, US

Overview

10→
Patents
1977–1996
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 10 as inventor

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

E21Bprimary
E21BEarth or rock drilling33%
F16LPipes24%
B08BCleaning in general5%
B28DWorking stone or stone-like materials5%
B82YSpecific uses or applications of nanostructures5%
E02DFoundations5%
F16JPistons5%
F16KValves5%
H01RElectrically-conductive connections5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to HYDRO TECH INTERNATIONAL INC (1)· patent assignee history
1977Patents assigned to HYDROTECH INT INC (1)· patent assignee history
1977–1996Based in Houston, TX, US· patent location history
1978–1984Patents assigned to FMC CORP (5)· patent assignee history
1988Patents assigned to HUGHES TOOL CO (2)· patent assignee history
1988Based in Cypress, TX, US· patent location history
1996Patents assigned to MARATHON OIL CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FMC CORP51978–1984
HUGHES TOOL CO21988
HYDRO TECH INTERNATIONAL INC11977
HYDROTECH INT INC11977
MARATHON OIL CO11996
Locations
LocationPatentsSpan
Houston, Texas, US81977–1996
Cypress, Texas, US21988