Inventor

James W. Skinner

Inventor
Fort Wayne, IN, US

Overview

27→
Patents
1986–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 27 as inventor

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

F16Lprimary
F16LPipes31%
E03FSewers11%
B28BShaping clay or other ceramic compositions10%
Y10TTechnical subjects covered by former us classification10%
E02DFoundations6%
F16JPistons5%
LOC085%
B29CShaping or joining of plastics3%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts3%
B29LIndexing scheme associated with subclass b29c, relating to particular articles3%
PatentTitleYear
11,085,171Hydro excavation vacuum apparatus and fluid storage and supply systems thereof202110,563,805Expandable sealing mechanism202010,428,512Manhole base assembly with internal liner and method of manufacturing same201910,214,893Manhole base assembly with internal liner and method of manufacturing same201910,053,850Manhole base assembly with internal liner and method of manufacturing same2018D0814285Expandable sealing mechanism2018D0813661'Expandable sealing mechanism'20189,644,768'Expandable sealing mechanism'20179,617,722'Manhole base assembly with internal liner and method of manufacturing same'2017D0752968'Expandable sealing mechanism'20168,480,093'Internal pipe seal'20137,827,665'Gasket and mandrel assembly for pipe joints'20107,146,689'Expansion ring assembly'20067,028,972'Gasket and mandrel assembly for pipe joints'20066,805,359'Expansion ring assembly'20046,676,136'Flexible waterstop ring'20046,572,118'Flexible seal member for non-metallic conduit to concrete manhole junction'20035,876,039'Folded gasket and method of casting same in a wall'19995,732,955'Expandable compression ring'19985,570,890'Expandable compression ring'19965,529,312'Gasket and method of casting same in a wall'19965,507,500'Expandable compression ring with locking members'19965,180,196'Method of installing a ribbed sleeve gasket adapter'19934,916,799'Method of making a pipe joint seal with bistable elastomeric sealing projection'19904,809,994'Pipe joint seal with bistable elastomeric sealing projection'19894,702,645'Slipline adjustable manhole seal'19874,619,555'Slipline adjustable manhole seal'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2016Patents assigned to PRESS SEAL GASKET CORP (17)· patent assignee history
1986–2020Based in Fort Wayne, IN, US· patent location history
2003Patents assigned to ADVANCED DRAINAGE SYST (1)· patent assignee history
2017Patents assigned to PRESS-SEAL CORP (2)· patent assignee history
2017Patents assigned to PRESS-SEAL GASKET CORP (2)· patent assignee history
2018–2020Patents assigned to PRESS SEAL CORP (6)· patent assignee history
2021Based in Pella, IA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PRESS SEAL GASKET CORP171986–2016
PRESS SEAL CORP62018–2020
PRESS-SEAL CORP22017
PRESS-SEAL GASKET CORP22017
ADVANCED DRAINAGE SYST12003
Locations
LocationPatentsSpan
Fort Wayne, IN, US261986–2020
Pella, IA, US12021