Inventor

Leslie N. Berryman

Inventor

Duncan, OK, US

Overview

11→

Patents

1987–1998

Patent span

Performing operations

Primary field (CPC B)

Patents· 11 as inventor

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

B01Fprimary

B01FMixing, e.g. dissolving, emulsifying or dispersing21%

E21BEarth or rock drilling17%

G01FMeasuring volume, volume flow, mass flow or liquid level13%

G01NInvestigating or analysing materials by determining their chemical or physical properties13%

F16CShafts8%

B29CShaping or joining of plastics4%

B29LIndexing scheme associated with subclass b29c, relating to particular articles4%

B60BVehicle wheels4%

B60GVehicle suspension arrangements4%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers4%

PatentTitleYear

5,822,861'Method of manufacturing a roller bearing'1998 5,486,053'Bearing unit for a vehicle wheel'1996 5,319,964'Apparatus, method and system for monitoring fluid'1994 5,272,920'Apparatus, method and system for monitoring fluid'1993 5,211,678'Apparatus, method and system for monitoring fluid'1993 5,026,168'Slurry mixing apparatus'1991 4,989,987'Slurry mixing apparatus'1991 4,930,576'Slurry mixing apparatus'1990 4,850,750'Integrated blending control system'1989 4,715,721'Transportable integrated blending system'1987 4,701,095'Transportable material conveying apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1994Patents assigned to HALLIBURTON CO (9)· patent assignee history

1987–1994Based in Duncan, OK, US· patent location history

1996–1998Patents assigned to SKF IND TRADING & DEV (2)· patent assignee history

1996Based in Vianen, NL· patent location history

1998Based in Bridgnorth, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HALLIBURTON CO	9	1987–1994
SKF IND TRADING & DEV	2	1996–1998

Locations

Location	Patents	Span
Duncan, OK, US	9	1987–1994
Bridgnorth, GB	1	1998
Vianen, NL	1	1996