Inventor

David B. Ayers

Inventor
Houston, TX, US

Overview

16→
Patents
1984–2015
Patent span
Human necessities
Primary field (CPC A)

Patents· 16 as inventor

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

E21Bprimary
E21BEarth or rock drilling24%
A63FCard, board, or roulette games12%
G01VGeophysics12%
A41DOuterwear8%
A41BShirts4%
A42BHats4%
D04BKnitting4%
D10BIndexing scheme associated with sublasses of section d, relating to textiles4%
F25BRefrigeration machines, plants or systems4%
F42DBlasting4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2013Based in Houston, TX, US· patent location history
1987–2013Patents assigned to AYERS DAVID B (6)· patent assignee history
2008–2013Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (5)· patent assignee history
2009–2015Based in Sugar Land, TX, US· patent location history
2013–2014Patents assigned to AYERS DAVID (2)· patent assignee history
2013–2014Based in Baltimore, MD, US· patent location history
2014–2015Patents assigned to AYERS DAVID BLAINE (3)· patent assignee history
2014–2015Patents assigned to SONDEX WIRELINE LTD (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AYERS DAVID Bself61987–2013
SCHLUMBERGER TECHNOLOGY CORP52008–2013
AYERS DAVID BLAINEself32014–2015
SONDEX WIRELINE LTD32014–2015
AYERS DAVIDself22013–2014
Locations
LocationPatentsSpan
Houston, Texas, US91984–2013
Sugar Land, Texas, US52009–2015
Baltimore, Maryland, US22013–2014