LexDanaLexDanabeta
Inventor

Dennis P. Chesnutt

Inventor
Houston, TX, US

Overview

4→
Patents
1990–2011
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

E21Bprimary
E21BEarth or rock drilling33%
G01VGeophysics33%
G12BConstructional details of instruments, or comparable details of other apparatus, not otherwise provided for11%
H01QAntennas, i.e. radio aerials11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
8,082,987'Hydraulically locking stabilizer'20115,661,402'Sealed modular downhole antenna'19975,463,319'Induction log sonde feedpipe having a plurality of tubes arranged within it and windows to facilitate the passage of the conductors'19954,979,585'Compound suspension linkage'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to HALLIBURTON LOGGING SERVICES (1)· patent assignee history
1990–2011Based in Houston, TX, US· patent location history
1995–1997Patents assigned to HALLIBURTON ENERGY SERV INC (2)· patent assignee history
2011Patents assigned to CHESNUTT DENNIS PATRICK (1)· patent assignee history
2011Patents assigned to SMITH INTERNATIONAL (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERV INC21995–1997
CHESNUTT DENNIS PATRICKself12011
HALLIBURTON LOGGING SERVICES11990
SMITH INTERNATIONAL12011
Locations
LocationPatentsSpan
Houston, Texas, US41990–2011