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Inventor

David C. Hahn

Inventor
Rockledge, FL, US

Overview

5→
Patents
2014–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F25Bprimary
F25BRefrigeration machines, plants or systems27%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications20%
F24FAir-conditioning13%
F25DRefrigerators13%
F04DNon-positive-displacement pumps7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
H02KDynamo-electric machines7%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters7%
PatentTitleYear
10,852,044Simple low-cost retrofit device and method to replace a variable air flow electronically commutated motor with a permanent split capacitor motor capable of operating at multiple speed settings202010,605,495Elegantly simple low-cost retrofit method and system for replacing a constant torque electronically commutated motor with a fix-speed permanent split capacitor motor20209,417,005'Retrofit device and method to improve humidity control of vapor compression cooling systems'20169,207,001'Retrofit device to improve vapor compression cooling system performance by dynamic blower speed modulation'20158,779,362'Infrared acid detector and method'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2016Patents assigned to HAHN DAVID C (3)· patent assignee history
2014Patents assigned to AMUNDSEN TED J (1)· patent assignee history
2014–2020Based in Rockledge, FL, US· patent location history
2015–2016Patents assigned to ROTH ROBERT PAUL (2)· patent assignee history
2015–2016Patents assigned to SCARINGE ROBERT P (2)· patent assignee history
2020Patents assigned to MAINSTREAM ENG CORPORATION (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAHN DAVID Cself32014–2016
MAINSTREAM ENG CORPORATION22020
ROTH ROBERT PAUL22015–2016
SCARINGE ROBERT P22015–2016
AMUNDSEN TED J12014
Locations
LocationPatentsSpan
Rockledge, Florida, US52014–2020