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Inventor

Dennis G. Middleton

Inventor
Tyrone, PA, US

Overview

6→
Patents
1993–1999
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
B01DSeparation13%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers13%
B67CCleaning, filling with liquids or semiliquids, or emptying, of bottles, jars, cans, casks, barrels, or similar containers, not otherwise provided for13%
B67DDispensing, delivering or transferring liquids, not otherwise provided for13%
C02FTreatment of water, waste water, sewage, or sludge13%
E02BHydraulic engineering13%
E02DFoundations13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
5,948,250'Filter berm'19995,820,297'Permanent berm device'19985,601,715'Mutli-stage grease trap filter and skimmer'19975,402,835'Drum funnel'19955,236,281'Dikes for damming or diverting liquids'19935,184,751'Drum pump adapter'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1998Patents assigned to NEW PIG CORP (5)· patent assignee history
1993–1995Based in Tyrone, PA, US· patent location history
1997Based in Altoona, PA, US· patent location history
1998–1999Based in Anderson, SC, US· patent location history
1999Patents assigned to BASIC CONCEPTS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEW PIG CORP51993–1998
BASIC CONCEPTS INC11999
Locations
LocationPatentsSpan
Tyrone, Pennsylvania, US31993–1995
Anderson, SC, US21998–1999
Altoona, Pennsylvania, US11997