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Inventor

Mark D. Stahlman

Inventor
Lewiston, NY, US

Overview

4→
Patents
1993–2011
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

C04Bprimary
C04BLime, magnesia19%
Y10TTechnical subjects covered by former us classification19%
B01DSeparation13%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for6%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
D04HMaking textile fabrics, e.g. from fibres or filamentary material6%
D21HPulp compositions6%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general6%
H01BCables6%
PatentTitleYear
8,071,040'Low shear mounting mat for pollution control devices'20115,989,736'Carbon fiber and ceramic fiber paper composites and uses therefor'19995,834,120'Fire protection material'19985,273,821'High strength ceramic fiber board'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to CARBORUNDUM CO (1)· patent assignee history
1993–1999Based in Lewiston, NY, US· patent location history
1998–1999Patents assigned to UNIFRAX CORP (2)· patent assignee history
1998Patents assigned to DARCHEM ENGINEERING LTD (1)· patent assignee history
2011Patents assigned to BEAUHARNOIS MARK (1)· patent assignee history
2011Patents assigned to KUMAR AMIT (1)· patent assignee history
2011Based in Niagara Falls, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIFRAX CORP21998–1999
BEAUHARNOIS MARK12011
CARBORUNDUM CO11993
DARCHEM ENGINEERING LTD11998
KUMAR AMIT12011
Locations
LocationPatentsSpan
Lewiston, New York, US31993–1999
Niagara Falls, New York, US12011