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Inventor

Grady North

Inventor
Grapevine, TX, US

Overview

6→
Patents
1986–2009
Patent span
Human necessities
Primary field (CPC A)

Patents· 6 as inventor

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

A62Cprimary
A62CFire-fighting50%
F16KValves20%
Y10TTechnical subjects covered by former us classification20%
F16LPipes10%
PatentTitleYear
7,611,075'Extensible aerial boom having two independently operated fluid nozzles'20095,899,276'Bumper-mounted extensible turret'19995,297,636'Fire extinguishing system for cookstoves and ranges'19945,178,185'Suction inlet valve for fire truck pumpers'19935,127,479'Fire extinguishing system for cookstoves and ranges'19924,602,654'Coupling for fire hydrant-fire hose connection'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to HYDRA SHIELD MANUFACTURING CO (1)· patent assignee history
1986–1999Based in Grapevine, TX, US· patent location history
1992Patents assigned to 21ST CENTURY INTERNATIONAL FIR (1)· patent assignee history
1993Patents assigned to HYDRA SHIELD MANUFACTURING INC (1)· patent assignee history
1999Patents assigned to CRASH RESCUE EQUIPMENT SERVICE (1)· patent assignee history
2009Patents assigned to NORTH GRADY C (1)· patent assignee history
2009Based in Dallas, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
21ST CENTURY INTERNATIONAL FIR11992
CRASH RESCUE EQUIPMENT SERVICE11999
HYDRA SHIELD MANUFACTURING CO11986
HYDRA SHIELD MANUFACTURING INC11993
NORTH GRADY Cself12009
Locations
LocationPatentsSpan
Grapevine, Texas, US51986–1999
Dallas, Texas, US12009