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Inventor

Nelson Escue

Inventor
La Mesa, CA, US

Overview

2→
Patents
1991–1993
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E21Bprimary
E21BEarth or rock drilling67%
F04BPositive-displacement machines for liquids33%
PatentTitleYear
5,193,985'Pump control system for a downhole motor-pump assembly and method of using same'19935,049,046'Pump control system for a downhole motor-pump assembly and method of using same'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to ESCUE RES & DEV (1)· patent assignee history
1991–1993Based in La Mesa, CA, US· patent location history
1993Patents assigned to UNIFLO OILCORP LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ESCUE RES & DEV11991
UNIFLO OILCORP LTD11993
Locations
LocationPatentsSpan
La Mesa, California, US21991–1993