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Inventor

James L. Lawrence

Inventor
Ocala, FL, US

Overview

39→
Patents
1978–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 39 as inventor

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

F16Lprimary
F16LPipes18%
B29CShaping or joining of plastics13%
B29DProducing particular articles from plastics or from substances in a plastic state12%
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. inserts12%
B29LIndexing scheme associated with subclass b29c, relating to particular articles12%
Y10TTechnical subjects covered by former us classification10%
B67DDispensing, delivering or transferring liquids, not otherwise provided for8%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers3%
H01JElectric discharge tubes or discharge lamps2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
10,399,845Testable overfill prevention valve for a liquid storage container201910,352,017Manhole cover assembly20199,228,690'Apparatus and method for repairing an existing spill containment manhole'20168,425,145'Apparatus and method for repairing an existing spill containment manhole'20138,066,037'Dripless nozzle'20117,735,529'Dripless nozzle'20107,216,680'Dripless nozzle'20076,983,772'Dripless nozzle'20066,161,591'Flexible hose construction and method of making the same'20006,039,082'Flexible hose construction and method of making the same'20006,000,434'Flexible hose construction and method of making the same'19995,901,755'Flexible hose construction and method of making the same'19995,894,865'Flexible hose construction and method of making the same'19995,715,870'Flexible hose construction'19985,462,090'Flexible hose construction having an inner corrugated hose made of polymeric material'19955,450,975'Secondarily contained underground liquid storage vessel and method of construction'19955,407,300'System for vapor recovery without formation of fluid blockages and a dual conduit pipe therefor'19955,394,904'Flexible hose construction having an inner corrugated hose made of polymeric material'19955,388,368'Means for easy attachment of fishing lure, float, or sinker to a fish line'19955,383,497'Flexible hose construction having an inner corrugated hose made of polymeric material'19955,372,454'System for vapor recovery without formation of fluid blockages and a pipe therefor'19945,279,332'Flexible hose construction having a passage therethrough defined by at least one rib therein and method of making the same'19945,279,333'Flexible hose construction'19945,275,208'Flexible hose construction and method of making the same'19945,257,652'Fluid collection system for installation underground and method of installation'19935,256,233'Flexible hose construction and method of making the same'19935,233,739'Adhesive bonding expanded insert hose construction assembly'19935,148,836'Flexible hose construction'19925,145,545'Flexible hose construction and method of making the same'19925,129,428'Flexible hose constuction'19925,129,429'Flexible hose construction'19925,129,684'Sealed bulkhead fitting'19925,109,600'Method of making a hose construction'19925,089,074'Flexible hose construction and method of making the same'19925,066,079'Door safe apparatus'1991D0265889'Brassiere display package'19824,202,080'Mass spectrometer filter'19804,106,744'Mandrel for formation of mass spectrometer filter'19784,079,254'Mass spectrometer filter'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to ANALOG TECH CORP (2)· patent assignee history
1978–1980Based in La Canada, CA, US· patent location history
1991–2013Patents assigned to LAWRENCE JAMES L (3)· patent assignee history
1992–2000Patents assigned to DAYCO PRODUCTS INC (20)· patent assignee history
1992–1995Patents assigned to TOTAL CONTAINMENT INC (5)· patent assignee history
1992–2000Based in Ocala, FL, US· patent location history
1992–1995Based in Exton, PA, US· patent location history
1995Based in East Wenatchee, WA, US· patent location history
2006–2019Based in Wilson, NC, US· patent location history
2007–2019Patents assigned to EMCO WHEATON RETAIL CORP (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAYCO PRODUCTS INC201992–2000
EMCO WHEATON RETAIL CORP72007–2019
TOTAL CONTAINMENT INC51992–1995
LAWRENCE JAMES Lself31991–2013
ANALOG TECH CORP21978
Locations
LocationPatentsSpan
Ocala, Florida, US201992–2000
Wilson, NC, US82006–2019
Exton, Pennsylvania, US51992–1995
La Canada, California, US31978–1980
East Wenatchee, Washington, US11995