Inventor

David M. Howe

Inventor

Sudbury, CA

Overview

1980–2013

Patent span

Performing operations

Primary field (CPC B)

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

B03Bprimary

B03BSeparating solid materials using liquids or using pneumatic tables or jigs13%

B03DFlotation13%

C22BProduction and refining of metals13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

A23BPreservation of foods, foodstuffs or non-alcoholic beverages6%

A61LMethods or apparatus for sterilising materials or objects in general6%

B29BPreparation or pretreatment of the material to be shaped6%

C08JWorking-up6%

C25DProcesses for the electrolytic or electrophoretic production of coatings6%

F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981Based in Abington, CT, US· patent location history

1987Based in Ecclesall, GB· patent location history

1999–2000Patents assigned to ATEBA MINES INC (2)· patent assignee history

1999–2000Based in Sudbury, CA· patent location history

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

2004Based in Newport, RI, US· patent location history

2013Patents assigned to ASTRIUM LTD (1)· patent assignee history

2013Patents assigned to CRAIG ANTONY DUNCAN (1)· patent assignee history

2013Patents assigned to HOWE DAVID MICHAEL (1)· patent assignee history

2013Based in Stevenage, GB· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations