LexDanaLexDanabeta
Inventor

Andrew Harrison

Inventor
Houston, TX, US

Overview

3→
Patents
1991–2018
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 3 as inventor

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

E21Bprimary
E21BEarth or rock drilling20%
F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers20%
G01BMeasuring length, thickness or similar linear dimensions20%
Y02TClimate change mitigation technologies related to transportation20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
9,932,786Misalignment mitigation in a rotating control device20185,490,389'Combustor having enhanced weak extinction characteristics for a gas turbine engine'19965,024,527'Method and apparatus for remote position sensing using edge diffraction'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to BRITISH AEROSPACE (1)· patent assignee history
1991Based in Stevenage, GB· patent location history
1996Patents assigned to ROLLS ROYCE PLC (1)· patent assignee history
1996Based in Derby, GB· patent location history
2018Patents assigned to WEATHERFORD TECH HOLDINGS LLC (1)· patent assignee history
2018Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRITISH AEROSPACE11991
ROLLS ROYCE PLC11996
WEATHERFORD TECH HOLDINGS LLC12018
Locations
LocationPatentsSpan
Houston, Texas, US12018
Derby, GB11996
Stevenage, GB11991