LexDanaLexDanabeta
Inventor

Thomas J. Helsley

Inventor
Placentia, CA, US

Overview

4→
Patents
2007–2019
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 4 as inventor

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

E05Bprimary
E05BLocks24%
E05CBolts or fastening devices for wings, specially for doors or windows24%
B64DEquipment for fitting in or to aircraft18%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%
Y10TTechnical subjects covered by former us classification18%
PatentTitleYear
10,392,830Clevis sensing lock20199,650,807'Tool operated channel latch'20178,925,979'Command latch and pin latch system'20157,185,926'Preloaded latch mechanism'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2019Patents assigned to HARTWELL CORP (4)· patent assignee history
2007–2015Based in Long Beach, CA, US· patent location history
2015Patents assigned to HELSLEY THOMAS J (1)· patent assignee history
2015Patents assigned to HERNANDEZ MANUEL ANDRES (1)· patent assignee history
2015Patents assigned to ROZEMA TIMOTHY S (1)· patent assignee history
2017–2019Based in Placentia, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HARTWELL CORP42007–2019
HELSLEY THOMAS Jself12015
HERNANDEZ MANUEL ANDRES12015
ROZEMA TIMOTHY S12015
Locations
LocationPatentsSpan
Placentia, California, US22017–2019
Long Beach, California, US22007–2015