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Inventor

Howard C. Hornsby

Inventor
West Palm Beach, FL, US

Overview

4→
Patents
1989–1993
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 4 as inventor

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

E21Bprimary
E21BEarth or rock drilling40%
B63BShips or other waterborne vessels20%
F04BPositive-displacement machines for liquids20%
Y02TClimate change mitigation technologies related to transportation20%
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'1991D0309445'Water vehicle'19904,862,817'Water vehicle'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Patents assigned to HORNSBY JR HOWARD C (2)· patent assignee history
1989–1990Patents assigned to MURPHY ROBERT J (2)· patent assignee history
1989–1993Based in West Palm Beach, FL, US· patent location history
1991Patents assigned to ESCUE RES & DEV (1)· patent assignee history
1993Patents assigned to UNIFLO OILCORP LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HORNSBY JR HOWARD Cself21989–1990
MURPHY ROBERT J21989–1990
ESCUE RES & DEV11991
UNIFLO OILCORP LTD11993
Locations
LocationPatentsSpan
West Palm Beach, Florida, US41989–1993