LexDanaLexDanabeta
Inventor

Douglas Hamelwright, Jr.

Inventor
Fort Worth, TX, US

Overview

2→
Patents
2014–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B64Cprimary
B64CAeroplanes67%
B64DEquipment for fitting in or to aircraft33%
PatentTitleYear
10,196,151Rotorcraft fuel system having enhanced crash resistance20198,919,694'Skid landing gear system'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to AMANTE WILLIAM A (1)· patent assignee history
2014Patents assigned to DENNISON II WILLIAM D (1)· patent assignee history
2014Patents assigned to HAMELWRIGHT JR DOUGLAS H (1)· patent assignee history
2014Patents assigned to HOLIK FRANKLIN J (1)· patent assignee history
2014Based in Bedford, TX, US· patent location history
2019Patents assigned to BELL HELICOPTER TEXTRON INC (1)· patent assignee history
2019Based in Fort Worth, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMANTE WILLIAM A12014
BELL HELICOPTER TEXTRON INC12019
DENNISON II WILLIAM D12014
HAMELWRIGHT JR DOUGLAS Hself12014
HOLIK FRANKLIN J12014
Locations
LocationPatentsSpan
Fort Worth, Texas, US12019
Bedford, Texas, US12014