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Inventor

Joseph L. Eldridge

Inventor
Libertyville, IL, US

Overview

6→
Patents
1985–2021
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 6 as inventor

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

E01Bprimary
E01BPermanent way29%
B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects14%
F16HGearing14%
G07CTime or attendance registers14%
G09FDisplaying14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
10,930,179Label20217,353,757'Toggle slide-plate for railway spike puller'20087,216,590'Bulk loader for conveying articles'20075,092,656'Automatic latching device for tailgate'19924,742,731'Transmission range selector valve'19884,542,461'Apparatus for acquiring dump truck duty cycle data'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1992Patents assigned to PAYHAULER CORP (3)· patent assignee history
1985–2008Based in Libertyville, IL, US· patent location history
2007–2008Patents assigned to NORDCO INC (2)· patent assignee history
2021Patents assigned to Eldridge James Edward (1)· patent assignee history
2021Patents assigned to Horne Nicholas Mark (1)· patent assignee history
2021Based in Hastings, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PAYHAULER CORP31985–1992
NORDCO INC22007–2008
Eldridge James Edwardself12021
Horne Nicholas Mark12021
Locations
LocationPatentsSpan
Libertyville, Illinois, US51985–2008
Hastings, GB12021