Inventor

David P. Nagle

Inventor

Westfield, MA, US

Overview

16→

Patents

1988–2018

Patent span

Performing operations

Primary field (CPC B)

Patents· 16 as inventor

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

B64Cprimary

B64CAeroplanes23%

Y10TTechnical subjects covered by former us classification17%

F01DNon-positive displacement machines or engines, e.g. steam turbines13%

Y02TClimate change mitigation technologies related to transportation11%

B29DProducing particular articles from plastics or from substances in a plastic state9%

B29CShaping or joining of plastics6%

B29LIndexing scheme associated with subclass b29c, relating to particular articles6%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%

B01DSeparation2%

B64DEquipment for fitting in or to aircraft2%

PatentTitleYear

9,920,629'Propeller blade and method'2018 9,849,969Lightweight propeller blade with improved retention capacity2017 9,505,486'Propeller blade having compliant adhesive at spar interface'2016 9,488,056'Propeller blade with modified spar layup'2016 9,429,024'Propeller blade with lightweight insert'2016 9,168,999'Propeller blade with internal stiffener'2015 9,139,287'Propeller blade with carbon foam spar core'2015 D0552178'Heart brace'2007 6,305,905'Bolted-on propeller blade'2001 6,213,719'Bar wedge preload apparatus for a propeller blade'2001 5,439,353'Composite blade with reinforced leading edge'1995 5,392,514'Method of manufacturing a composite blade with a reinforced leading edge'1995 5,102,300'Pinned airfoil propeller assembly'1992 5,022,825'Pitch retention member'1991 4,841,628'Filter replacement mechanism'1989 4,789,304'Insulated propeller blade'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2001Patents assigned to UNITED TECHNOLOGIES CORP (8)· patent assignee history

1988–1992Based in Windsor Locks, CT, US· patent location history

1995–2018Based in Westfield, MA, US· patent location history

2007Based in Medina, OH, US· patent location history

2015–2018Patents assigned to HAMILTON SUNDSTRAND CORP (7)· patent assignee history

2015–2016Patents assigned to NAGLE DAVID P (4)· patent assignee history

2016Patents assigned to RATIER-FIGEAC SAS (2)· patent assignee history

2016Patents assigned to BRION PATRICE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNITED TECHNOLOGIES CORP	8	1988–2001
HAMILTON SUNDSTRAND CORP	7	2015–2018
NAGLE DAVID Pself	4	2015–2016
RATIER-FIGEAC SAS	2	2016
BRION PATRICE	1	2016

Locations

Location	Patents	Span
Westfield, Massachusetts, US	11	1995–2018
Windsor Locks, CT, US	4	1988–1992
Medina, OH, US	1	2007