Inventor · disambiguated record
Karl-Heinz Petry
Also filed as: PETRY KARL-HEINZ
7 granted patents·4 pending applications·23 citations·filing 1986–2025
75Inventor score
Top patents by PatentIndex Score
11 records- 0172US2025383133A1Refrigerant Circuits For HVAC UnitsSIEMENS SCHWEIZ AG·Filed 2025·Application pending·0 cites
- 0267US9618247B2Method for increasing the valve capacity of a refrigeration unitSIEMENS AG·Filed 2012·Granted Apr 11, 2017·3 cites·23 claims
- 0366US12510262B2Weighted return temperature limitationSIEMENS SCHWEIZ AG·Filed 2024·Granted Dec 30, 2025·0 cites·14 claims
- 0456US11614757B2Estimating a maximum flow through a heat exchangerSIEMENS SCHWEIZ AG·Filed 2021·Granted Mar 28, 2023·0 cites·11 claims
- 0556US2025283536A1Valve For A Cooling SystemSIEMENS SCHWEIZ AG·Filed 2025·Application pending·0 cites
- 0652US11092981B2Control gain automationSIEMENS SCHWEIZ AG·Filed 2018·Granted Aug 17, 2021·0 cites·15 claims
- 0752US2025354709A1Operation of an HVAC SystemSIEMENS SCHWEIZ AG·Filed 2025·Application pending·0 cites
- 0851US11885542B2Expansion valveSIEMENS SCHWEIZ AG·Filed 2020·Granted Jan 30, 2024·0 cites·10 claims
- 0951US4933954ADevice for recombination of a message transmitted by a frequency hopping transmitterROHDE & SCHWARZ·Filed 1986·Granted Jun 12, 1990·20 cites·4 claims
- 1048US11828384B2Method for operating a valve, associated electronic control unit, and valve driveSIEMENS SCHWEIZ AG·Filed 2019·Granted Nov 28, 2023·0 cites·11 claims
- 1143US2021055400A1Determining a Mixing Ratio in HVAC SystemsSIEMENS SCHWEIZ AG·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →