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Inventor

John A. Violette

Inventor
Granby, CT, US

Overview

22→
Patents
1977–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 22 as inventor

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

B64Cprimary
B64CAeroplanes24%
Y02TClimate change mitigation technologies related to transportation19%
F01DNon-positive displacement machines or engines, e.g. steam turbines12%
F04DNon-positive-displacement pumps11%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
B29CShaping or joining of plastics4%
B29DProducing particular articles from plastics or from substances in a plastic state4%
F02CGas-turbine plants3%
PatentTitleYear
10,717,516Composite propulsor blade support structure and system20208,500,510'Floating toy'20138,075,270'Fan blade retention and variable pitch system'20117,503,750'Variable pitch rotor blade with double flexible retention elements'20096,676,080'Composite airfoil assembly'20046,305,905'Bolted-on propeller blade'20016,213,719'Bar wedge preload apparatus for a propeller blade'20016,015,264'Preloaded retention assembly for aircraft propeller blade retention'20005,269,658'Composite blade with partial length spar'19935,252,165'Method of making contoured fiber reinforced body'19935,222,297'Composite blade manufacture'19935,163,817'Rotor blade retention'19925,129,787'Lightweight propulsor blade with internal spars and rigid base members'19925,127,802'Reinforced full-spar composite rotor blade'19925,118,256'Blade retention apparatus with elastomeric preload'19925,102,300'Pinned airfoil propeller assembly'19925,074,754'Rotor blade retention system'19915,022,825'Pitch retention member'19915,022,824'Pinned airfoil propeller blade'19915,017,092'Rotor blade retention'19914,730,985'Prop-fan with improved stability'19884,021,142'Pitch-change apparatus for a ducted thrust fan'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2001Patents assigned to UNITED TECHNOLOGIES CORP (17)· patent assignee history
1977–2020Based in Granby, CT, US· patent location history
2004Patents assigned to AERO COMPOSITES INC (1)· patent assignee history
2011Patents assigned to LOOS ERIC STEPHEN (1)· patent assignee history
2013Patents assigned to MATTEL INC (1)· patent assignee history
2013Patents assigned to NUTTALL MICHAEL (1)· patent assignee history
2013Based in Los Angeles, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNITED TECHNOLOGIES CORP171977–2001
AERO COMPOSITES INC12004
LOOS ERIC STEPHEN12011
MATTEL INC12013
NUTTALL MICHAEL12013
Locations
LocationPatentsSpan
Granby, CT, US211977–2020
Los Angeles, California, US12013