Inventor · disambiguated record
Clifford C. Federspiel
Also filed as: FEDERSPIEL CLIFFORD · FEDERSPIEL CLIFFORD C · FEDERSPIEL CLIFFORD CONRAD
26 granted patents·2 pending applications·1,127 citations·filing 1991–2021
97Inventor score
Files withVIGILENT CORP12FEDERSPIEL CLIFFORD C5JOHNSON SERVICE CO5FEDERSPIEL CLIFFORD2FEDERSPIEL CORP1
Top patents by PatentIndex Score
28 records- 0196US8924026B2Energy-optimal control decisions for systemsFEDERSPIEL CLIFFORD C·Filed 2011·Granted Dec 30, 2014·53 cites·29 claims
- 0294US5170935AAdaptable control of HVAC systemsMASSACHUSETTS INST TECHNOLOGY·Filed 1991·Granted Dec 15, 1992·468 cites·16 claims
- 0393US5464369AMethod and apparatus for estimating the rate at which a gas is generated within an enclosed spaceJOHNSON SERVICE CO·Filed 1994·Granted Nov 7, 1995·93 cites·38 claims
- 0491US10108154B2Influence learning for managing physical conditions of an environmentally controlled space by utilizing a calibration override which constrains an actuator to a trajectoryVIGILENT CORP·Filed 2014·Granted Oct 23, 2018·15 cites·20 claims
- 0591US8190273B1Method and apparatus for controlling fans in heating, ventilating, and air-conditioning systemsFEDERSPIEL CLIFFORD·Filed 2009·Granted May 29, 2012·57 cites·33 claims
- 0690US11181289B2System and method for controlling the heating, ventilation, and air conditioning (HVAC) in a building to defend against pathogensVIGILENT CORP·Filed 2021·Granted Nov 23, 2021·10 cites·22 claims
- 0790US9291358B2Accuracy-optimal control decisions for systemsVIGILENT CORP·Filed 2014·Granted Mar 22, 2016·18 cites·20 claims
- 0890US8224489B2Method and apparatus for coordinating the control of HVAC unitsFEDERSPIEL CLIFFORD C·Filed 2009·Granted Jul 17, 2012·27 cites·21 claims
- 0988US9822989B2Controlling air temperatures of HVAC unitsVIGILENT CORP·Filed 2012·Granted Nov 21, 2017·13 cites·24 claims
- 1088US9317045B2Method and apparatus for efficiently coordinating data center cooling unitsVIGILENT CORP·Filed 2014·Granted Apr 19, 2016·9 cites·20 claims
- 1186US11567966B2Effectiveness mapsVIGILENT CORP·Filed 2020·Granted Jan 31, 2023·2 cites·18 claims
- 1286US7726582B2Method and apparatus for converting constant-volume supply fans to variable flow operationFEDERSPIEL CORP·Filed 2006·Granted Jun 1, 2010·27 cites·32 claims
- 1386US6719625B2Method and apparatus for controlling variable air volume supply fans in heating, ventilating, and air-conditioning systemsFiled 2002·Granted Apr 13, 2004·47 cites·16 claims
- 1486US5550752AMethod and apparatus for estimating the rate at which a gas is generated within a plurality of zonesJOHNSON SERVICE CO·Filed 1994·Granted Aug 27, 1996·60 cites·40 claims
- 1584US8688243B2Method and apparatus for controlling fans in heating, ventilating, and air-conditioning systemsFEDERSPIEL CLIFFORD·Filed 2012·Granted Apr 1, 2014·10 cites·25 claims
- 1684US5875109AAdaptive flow controller for use with a flow control systemJOHNSON SERVICE CO·Filed 1997·Granted Feb 23, 1999·66 cites·24 claims
- 1782US10410502B2Method and apparatus for providing environmental management using smart alarmsVIGILENT CORP·Filed 2018·Granted Sep 10, 2019·2 cites·20 claims
- 1881US5862982AOptimal ventilation control strategyJOHNSON SERVICE CO·Filed 1997·Granted Jan 26, 1999·53 cites·18 claims
- 1980US6557574B2Pressure based flow rate measurement device integrated with blades of a damperFiled 2001·Granted May 6, 2003·33 cites·33 claims
- 2080US5768121AAdaptive flow controller for use with a flow control systemJOHNSON SERVICE CO·Filed 1995·Granted Jun 16, 1998·53 cites·20 claims
- 2174US10417596B2Point-based risk score for managing environmental systemsVIGILENT CORP·Filed 2016·Granted Sep 17, 2019·2 cites·21 claims
- 2272US9898917B2Method and apparatus for providing environmental management using smart alarmsVIGILENT CORP·Filed 2013·Granted Feb 20, 2018·4 cites·20 claims
- 2369US8634962B2Method and apparatus for efficiently coordinating data center cooling unitsFEDERSPIEL CLIFFORD C·Filed 2010·Granted Jan 21, 2014·4 cites·26 claims
- 2464US9568924B2Methods and systems for coordinating the control of HVAC unitsFEDERSPIEL CLIFFORD C·Filed 2012·Granted Feb 14, 2017·1 cites·25 claims
- 2551US12423572B2Optimal control with deep learningVIGILENT CORP·Filed 2020·Granted Sep 23, 2025·0 cites·20 claims
- 2642US10969128B2Method and apparatus for optimizing control variables to minimize power consumption of cooling systemsVIGILENT CORP·Filed 2015·Granted Apr 6, 2021·0 cites·20 claims
- 2741US2006116067A1Method and apparatus for determining critical pressure of variable air volume heating, ventilating, and air-conditioning systemsFEDERSPIEL CLIFFORD C·Filed 2004·Application pending·0 cites
- 2838US2017045252A1Operational performance-weighted redundancy for environmental control systemsVIGILENT CORP·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →