Inventor

Allan C. Harper

Inventor

Indianapolis, IN, US

Overview

1978–2004

Patent span

Mechanical engineering

Primary field (CPC F)

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

B26Bprimary

B26BHand-held cutting tools not otherwise provided for25%

F01DNon-positive displacement machines or engines, e.g. steam turbines17%

F02BInternal-combustion piston engines17%

A61LMethods or apparatus for sterilising materials or objects in general8%

A61MDevices for introducing media into, or onto, the body8%

B02CCrushing, pulverising, or disintegrating in general8%

F04DNon-positive-displacement pumps8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1978–1980Patents assigned to GILLETTE CO (3)· patent assignee history

1978Based in Gaithersburg, MD, US· patent location history

1979–1980Based in Andover, MA, US· patent location history

1983–1984Patents assigned to WALLACE MURRAY CORP (2)· patent assignee history

1983–1986Based in Indianapolis, IN, US· patent location history

1986Patents assigned to MEDICAL SAFETEC INC (1)· patent assignee history

2004Patents assigned to BORGWARNER INC (1)· patent assignee history

2004Based in Hendersonville, NC, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations