Inventor · disambiguated record
David Lee Haessig
Also filed as: HAESSIG DAVID L · HAESSIG DAVID LEE
7 granted patents·1 pending application·342 citations·filing 1988–2023
83Inventor score
Top patents by PatentIndex Score
8 records- 0193US5344068ADynamically controlled environmental control systemSTAEFA CONTROL SYSTEMS INC·Filed 1993·Granted Sep 6, 1994·204 cites·21 claims
- 0283US5005636AVariable air volume ventilating system and method of operating sameSTAEFA CONTROL SYSTEMS INC·Filed 1990·Granted Apr 9, 1991·81 cites·28 claims
- 0379US4942921AForced air ventilation systemSTAEFA CONTROL SYSTEMS INC·Filed 1988·Granted Jul 24, 1990·57 cites·19 claims
- 0452US2023266040A1Apparatus and Method for Modulating Forced Air Electric Heater Control with Temperature ProtectionEVOLUTION CONTROLS INC·Filed 2023·Application pending·0 cites
- 0551US12181166B2Methods to monitor air filter life in fan motor controller and apparatus for sameEVOLUTION CONTROLS INC·Filed 2022·Granted Dec 31, 2024·0 cites·17 claims
- 0647US12099074B2Electronic proof of air flow switchEVOLUTION CONTROLS INC·Filed 2021·Granted Sep 24, 2024·0 cites·20 claims
- 0746US12259151B2HVAC motor automation control unit and adjustment methods and apparatus for sameEVOLUTION CONTROLS INC·Filed 2022·Granted Mar 25, 2025·0 cites·34 claims
- 0842US12025329B2HVAC motor control local display and adjustment methods and apparatus for sameEVOLUTION CONTROLS INC·Filed 2021·Granted Jul 2, 2024·0 cites·39 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →