Inventor

Arthur L. Cummings

Inventor
Erie, PA, US

Overview

14→
Patents
1987–2008
Patent span
Performing operations
Primary field (CPC B)

Patents· 14 as inventor

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

A61Lprimary
A61LMethods or apparatus for sterilising materials or objects in general23%
B01DSeparation19%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry15%
C07CAcyclic or carbocyclic compounds8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
A01NPreservation of bodies of humans or animals or plants or parts thereof4%
C02FTreatment of water, waste water, sewage, or sludge4%
Y10TTechnical subjects covered by former us classification4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1990Patents assigned to AMERICAN STERILIZER CO (6)· patent assignee history
1987–1990Based in Erie, PA, US· patent location history
1990–1993Based in Ponca City, OK, US· patent location history
1992–1994Patents assigned to CONOCO INC (4)· patent assignee history
1998Patents assigned to MPR SERVICES (1)· patent assignee history
1998Based in Galveston, TX, US· patent location history
2000–2008Patents assigned to MPR SERVICES INC (3)· patent assignee history
2000–2008Based in League City, TX, US· patent location history
2002Based in Friendswood, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMERICAN STERILIZER CO61987–1990
CONOCO INC41992–1994
MPR SERVICES INC32000–2008
MPR SERVICES11998
Locations
LocationPatentsSpan
Erie, Pennsylvania, US51987–1990
Ponca City, OK, US41990–1993
League City, Texas, US22000–2008
Friendswood, Texas, US12002
Galveston, Texas, US11998