Inventor
V. Terrey Hawthorne
Inventor
Lisle, IL, US
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B61Fprimary
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles56%
B61GCouplings16%
B62DMotor vehicles13%
F16FSprings6%
B61DBody details or kinds of railway vehicles3%
B61KAuxiliary equipment specially adapted for railways, not otherwise provided for3%
F16CShafts3%
PatentTitleYear
6,681,943'Railcar draft gear assembly and system'20046,446,820'Railcar draft gear assembly and system'20026,371,033'High capacity integrated railway car truck'20026,199,889'Reduced weight fifth wheel assembly'20016,173,655'Side frame-bolster interface for railcar truck assembly'20016,125,767'Railway truck sideframe with reinforced columns'20005,921,186'Bolster land arrangement for a railcar truck'19995,865,458'Reduced weight fifth wheel assembly'19995,791,258'Railway truck with elastometric suspension'19985,746,136'Dynamically stable, lightweight railcar support system'19985,746,137'Railcar truck bearing adapter construction'19985,722,327'Device for improving warp stiffness of a railcar truck'19985,572,931'Railcar truck bearing adapter construction'19965,524,551'Spring-pack assembly for a railway truck bolster assembly'19965,509,358'Railcar truck bearing adapter construction'19965,503,084'Device for improving warp stiffness of a railcar truck'19965,472,223'Air operated fifth wheel'19955,410,968'Lightweight fatigue resistant railcar truck sideframe with tapering I-beam construction'19955,331,902'Truck boltser with laterally wider friction show pocket and mechanism for lateral travel of the friction shoe'19945,232,106'Railway drawbar with fabricated section'19935,176,396'Fifth wheel unlocking device with fluid powered redundancy'19935,133,467'Wedge shim and follower block for a railcar articulated connector'19924,589,348'Retrofitted railway car and method of producing same'19864,393,957'Method of eliminating truck hunting in railway trucks'19834,244,298'Freight car truck assembly'19814,056,065'Rejection feature for center plate'19774,026,418'Hydraulic cushioning unit with a gas return'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Patents assigned to DRESSER IND (1)· patent assignee history
1977Patents assigned to KEYSTONE IND INC (1)· patent assignee history
1977Based in East Amherst, NY, US· patent location history
1981–1986Based in Radnor, PA, US· patent location history
1983Patents assigned to HAWTHORNE V T (1)· patent assignee history
1986Patents assigned to PORTLAND GENERAL ELECTRIC COMP (1)· patent assignee history
1992–2004Patents assigned to AMSTED IND INC (22)· patent assignee history
1992Based in Lyle, IL, US· patent location history
1993–2004Based in Lisle, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMSTED IND INC | 22 | 1992–2004 |
| DRESSER IND | 1 | 1977 |
| HAWTHORNE V Tself | 1 | 1983 |
| KEYSTONE IND INC | 1 | 1977 |
| PORTLAND GENERAL ELECTRIC COMP | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lisle, Illinois, US | 21 | 1993–2004 |
| Radnor, Pennsylvania, US | 3 | 1981–1986 |
| East Amherst, New York, US | 2 | 1977 |
| Lyle, Illinois, US | 1 | 1992 |