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Inventor

Duane C. McCormick

Inventor
Colchester, CT, US

Overview

14→
Patents
1998–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 14 as inventor

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

B64Cprimary
B64CAeroplanes11%
Y02TClimate change mitigation technologies related to transportation11%
G10KSound-producing devices8%
F01KSteam engine plants6%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general6%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
A62CFire-fighting3%
B05BSpraying apparatus3%
F01CRotary-piston or oscillating-piston machines or engines3%
PatentTitleYear
11,117,007Noise reducing fire suppression nozzles202110,941,776Screw compressor resonator arrays20219,127,837'Low pressure drop, low NOx, induced draft gas heaters'20158,596,050'Sound attenuating heat exchanger for an internal combustion engine'20137,530,787'Rotor hub fairing system for a counter-rotating, coaxial rotor system'20097,229,251'Rotor hub fairing system for a counter-rotating, coaxial rotor system'20077,080,977'Discharge diffuser for screw compressor'20067,043,912'Apparatus for extracting exhaust heat from waste heat sources while preventing backflow and corrosion'20066,986,251'Organic rankine cycle system for use with a reciprocating engine'20066,390,418'Tangentially directed acoustic jet controlling boundary layer'20026,379,110'Passively driven acoustic jet controlling boundary layers'20026,049,615'Intergrated active noise control system for air handling unit'20005,828,760'Non-linear reduced-phase filters for active noise control'19985,808,243'Multistage turbulence shield for microphones'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2021Patents assigned to CARRIER CORP (6)· patent assignee history
1998–2013Patents assigned to UNITED TECHNOLOGIES CORP (4)· patent assignee history
1998–2021Based in Colchester, CT, US· patent location history
2006Patents assigned to UTC POWER LLC (2)· patent assignee history
2007–2009Patents assigned to SIKORSKY AIRCRAFT CORP (2)· patent assignee history
2013–2015Patents assigned to MCCORMICK DUANE C (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CARRIER CORP61998–2021
UNITED TECHNOLOGIES CORP41998–2013
MCCORMICK DUANE Cself22013–2015
SIKORSKY AIRCRAFT CORP22007–2009
UTC POWER LLC22006
Locations
LocationPatentsSpan
Colchester, CT, US141998–2021