Inventor

Willard P. Acheson

Inventor
Pittsburgh, PA, US

Overview

6→
Patents
1977–1997
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.

E21Bprimary
E21BEarth or rock drilling29%
F02CGas-turbine plants21%
F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers21%
B09BDisposal of solid waste not otherwise provided for7%
B09CReclamation of contaminated soil7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
E02DFoundations7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1984Patents assigned to GULF RESEARCH DEVELOPMENT CO (4)· patent assignee history
1977–1989Based in Pittsburgh, PA, US· patent location history
1989Patents assigned to CHEVRON RES (1)· patent assignee history
1997Patents assigned to BDM FEDERAL INC (1)· patent assignee history
1997Patents assigned to K & M ENGINEERING & CONSULTING (1)· patent assignee history
1997Based in Oakmont, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GULF RESEARCH DEVELOPMENT CO41977–1984
BDM FEDERAL INC11997
CHEVRON RES11989
K & M ENGINEERING & CONSULTING11997
Locations
LocationPatentsSpan
Pittsburgh, Pennsylvania, US51977–1989
Oakmont, Pennsylvania, US11997