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Inventor

Allan B. Delfino

Inventor
Sunnyvale, CA, US

Overview

3→
Patents
1984–1985
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 3 as inventor

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

E21Bprimary
E21BEarth or rock drilling50%
H03MCoding33%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
4,509,901'Method and apparatus for detecting problems in sucker-rod well pumps'19854,487,061'Method and apparatus for detecting well pump-off'19844,483,188'Method and apparatus for recording and playback of dynagraphs for sucker-rod wells'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1985Patents assigned to FMC CORP (3)· patent assignee history
1984–1985Based in Sunnyvale, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FMC CORP31984–1985
Locations
LocationPatentsSpan
Sunnyvale, California, US31984–1985