Inventor · Kennesaw, GA, US

Abtar Singh

53Patents
30h-index
20Co-inventors
84Inventor score

Filing activity: Sep 29, 1997 → Mar 30, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6990821B2 Model-based alarming Physics 208 Expired
US6047557A Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor Emerging Cross-Sectional Technologies 191 Expired
US7752853B2 Monitoring refrigerant in a refrigeration system Mechanical Engineering; Lighting; Heating 188 Active
US7644591B2 System for remote refrigeration monitoring and diagnostics Physics 146 Expired
US6892546B2 System for remote refrigeration monitoring and diagnostics Physics 118 Expired
US6675591B2 Method of managing a refrigeration system Physics 116 Expired
US6502409B1 Wireless method and apparatus for monitoring and controlling food temperature Physics 109 Expired
US6679072B2 Diagnostic system and method for a cooling system Emerging Cross-Sectional Technologies 104 Expired
US6549135B2 Food-quality and shelf-life predicting method and system Physics 97 Expired
US6378315B1 Wireless method and apparatus for monitoring and controlling food temperature Physics 83 Expired
US6449972B2 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor Emerging Cross-Sectional Technologies 80 Expired
US6467280B2 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor Emerging Cross-Sectional Technologies 80 Expired
US7844366B2 System for monitoring optimal equipment operating parameters Electricity 78 Expired
US6609078B2 Food quality and safety monitoring system Physics 69 Expired
US7024870B2 Method of managing a refrigeration system Physics 65 Expired
US7845179B2 System and method for monitoring a compressor of a refrigeration system Mechanical Engineering; Lighting; Heating 64 Active
US7752854B2 Monitoring a condenser in a refrigeration system Mechanical Engineering; Lighting; Heating 61 Active
US7490477B2 System and method for monitoring a condenser of a refrigeration system Mechanical Engineering; Lighting; Heating 58 Expired
US8065886B2 Refrigeration system energy monitoring and diagnostics Physics 56 Active
US6889173B2 System for monitoring optimal equipment operating parameters Electricity 55 Expired
US7594407B2 Monitoring refrigerant in a refrigeration system Mechanical Engineering; Lighting; Heating 47 Active
US7665315B2 Proofing a refrigeration system operating state Mechanical Engineering; Lighting; Heating 45 Active
US7596959B2 Monitoring compressor performance in a refrigeration system Mechanical Engineering; Lighting; Heating 44 Active
US6499305B2 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor Emerging Cross-Sectional Technologies 43 Expired
US6408635B1 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor Emerging Cross-Sectional Technologies 35 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.