LexDanaLexDanabeta
Inventor

Harvey Williams

Inventor
Houston, TX, US

Overview

8→
Patents
1981–2016
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 8 as inventor

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

E21Bprimary
E21BEarth or rock drilling56%
B67BApplying closure members to bottles jars, or similar containers22%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
9,328,606'Method and device to measure perforation tunnel dimensions'20168,950,487'Assemblies and methods for minimizing pressure-wave damage'20158,726,996'Device for the focus and control of dynamic underbalance or dynamic overbalance in a wellbore'20148,424,606'Method and apparatus for perforating with reduced debris in wellbore'20138,127,654'Perforating guns with reduced internal volume'20124,615,241'Power driven bottle opener'19864,519,276'Power driven bottle opener'19854,291,602'Panel cutting device'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Based in Winnipeg, CA· patent location history
1985–1986Patents assigned to GRABARSKI DAVID L (2)· patent assignee history
1985–1986Based in Bellmawr, NJ, US· patent location history
2012–2016Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (5)· patent assignee history
2012–2016Patents assigned to WILLIAMS HARVEY (5)· patent assignee history
2012–2015Patents assigned to BEHRMANN LAWRENCE A (4)· patent assignee history
2012–2016Based in Houston, TX, US· patent location history
2014–2015Patents assigned to MARTIN ANDREW J (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHLUMBERGER TECHNOLOGY CORP52012–2016
WILLIAMS HARVEYself52012–2016
BEHRMANN LAWRENCE A42012–2015
GRABARSKI DAVID L21985–1986
MARTIN ANDREW J22014–2015
Locations
LocationPatentsSpan
Houston, Texas, US52012–2016
Bellmawr, New Jersey, US21985–1986
Winnipeg, CA11981