Inventor
Dale R. Foster
Inventor
Barnhart, MO, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Dprimary
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material17%
Y10TTechnical subjects covered by former us classification17%
B21BRolling of metal13%
F16LPipes13%
F24FAir-conditioning13%
B23PMetal-working not otherwise provided for8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B26DCutting4%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
H01RElectrically-conductive connections4%
PatentTitleYear
10,612,812Roller member for use in an apparatus for closing Pittsburgh seams associated with duct assemblies and other box-shaped members20209,981,399Device and method for cutting insulation20189,889,489'Apparatus for closing Pittsburgh seams associated with duct assemblies and other box-shaped members'20189,623,472'Apparatus for closing pittsburgh seams associated with duct assemblies and other box-shaped members'20177,926,757'Insulation spool apparatus for lining ductwork'20116,810,570'Method of attaching a connector element to a duct flange'20046,460,573'Companion duct system'20025,353,616'Pittsburgh seam closer having single seaming roll'19944,314,735'Bed locator having an integral electric socket and a plug ejector'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to HILL ROM CO INC (1)· patent assignee history
1982Based in Brookville, IN, US· patent location history
1994–2004Patents assigned to ENGEL IND INC (2)· patent assignee history
1994–2020Based in Barnhart, MO, US· patent location history
2002Patents assigned to ENGEL IND (1)· patent assignee history
2011–2020Patents assigned to VICON MACHINERY LLC (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| VICON MACHINERY LLC | 5 | 2011–2020 |
| ENGEL IND INC | 2 | 1994–2004 |
| ENGEL IND | 1 | 2002 |
| HILL ROM CO INC | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Barnhart, MO, US | 8 | 1994–2020 |
| Brookville, IN, US | 1 | 1982 |