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Inventor

James Roy Doehla

Inventor
Pleasant Hill, MO, US

Overview

6→
Patents
2000–2014
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

B01Dprimary
B01DSeparation56%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
G01MTesting static or dynamic balance of machines or structures11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
8,628,605'Filter bag having an adjustable band'20147,648,563'Methods and apparatus for manufacturing and assembling a baghouse bag filter tensioning assembly'20107,131,316'Method and apparatus for testing air permeable waterproof gloves'20066,409,785'Cleanable HEPA filter media'20026,203,591'Baghouse, long filter assembly and method of installation'20016,110,249'Filter element with membrane and bicomponent substrate'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2002Patents assigned to BHA TECHNOLOGIES INC (2)· patent assignee history
2000–2002Based in Shawnee, KS, US· patent location history
2001Patents assigned to BHA GROUP HOLDINGS INC (1)· patent assignee history
2006Patents assigned to BHA GROUP INC (1)· patent assignee history
2006–2014Based in Pleasant Hill, MO, US· patent location history
2010–2014Patents assigned to GEN ELECTRIC (2)· patent assignee history
2014Patents assigned to DOEHLA JAMES ROY (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BHA TECHNOLOGIES INC22000–2002
GEN ELECTRIC22010–2014
BHA GROUP HOLDINGS INC12001
BHA GROUP INC12006
DOEHLA JAMES ROYself12014
Locations
LocationPatentsSpan
Pleasant Hill, MO, US32006–2014
Shawnee, KS, US32000–2002