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Inventor

Charles H. Fox

Inventor
Greenville, OH, US

Overview

4→
Patents
1979–1987
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

B04Bprimary
B04BCentrifuges20%
E21CMining or quarrying20%
F15BSystems acting by means of fluids in general20%
F16HGearing20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
4,648,660'Method and apparatus for mining machine cutter head'19874,616,736'Oil system for contiguous gear boxes'19864,252,050'Control valve unit for hydraulic actuator'19814,175,040'Centrifugal water oil separator'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to CONTINENTAL OIL CO (1)· patent assignee history
1979Based in Slidell, LA, US· patent location history
1981Patents assigned to EX CELL O CORP (1)· patent assignee history
1981–1987Based in Greenville, OH, US· patent location history
1986–1987Patents assigned to DRESSER IND (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DRESSER IND21986–1987
CONTINENTAL OIL CO11979
EX CELL O CORP11981
Locations
LocationPatentsSpan
Greenville, OH, US31981–1987
Slidell, LA, US11979