Inventor

Stephen J. Plunkett

Inventor
Middletown, RI, US

Overview

6→
Patents
1998–2009
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 6 as inventor

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

F41Fprimary
F41FApparatus for launching projectiles or missiles from barrels, e.g. cannons20%
B63BShips or other waterborne vessels10%
B63GOffensive or defensive arrangements on vessels10%
F03DWind motors10%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g10%
F17CVessels for containing or storing compressed, liquefied or solidified gases10%
F42BExplosive charges, e.g. for blasting, fireworks, ammunition10%
G10KSound-producing devices10%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to US ARMY (1)· patent assignee history
1998Based in North Hampton, NH, US· patent location history
2001–2009Patents assigned to US NAVY (5)· patent assignee history
2001Based in Portsmouth, NH, US· patent location history
2004–2009Based in Middletown, RI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
US NAVY52001–2009
US ARMY11998
Locations
LocationPatentsSpan
Middletown, RI, US42004–2009
Portsmouth, NH, US12001
North Hampton, NH, US11998