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Inventor

Edward Boller

Inventor
Halesowen, GB

Overview

6→
Patents
1983–2000
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 6 as inventor

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

F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids71%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests29%
PatentTitleYear
6,135,720'Air compressors of sliding vane eccentric rotor type'20004,642,033'Positive displacement air compressors'19874,553,906'Positive displacement rotary compressors'1985D0274433'Rotary compressor'19844,441,871'Rotary compressors with primary and secondary oil separation means'19844,388,046'Rotary compressors'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1987Patents assigned to HYDROVANE COMPRESSOR (4)· patent assignee history
1983–2000Based in Halesowen, GB· patent location history
1984Patents assigned to THE HYDROVANE COMPRESSOR COMPANY LTD (1)· patent assignee history
1984Based in Lapal, GB· patent location history
1987Based in West Midlands, GB· patent location history
2000Patents assigned to COMPAIR HYDROVANE LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HYDROVANE COMPRESSOR41983–1987
COMPAIR HYDROVANE LTD12000
THE HYDROVANE COMPRESSOR COMPANY LTD11984
Locations
LocationPatentsSpan
Halesowen, GB41983–2000
West Midlands, GB11987
Lapal, GB11984