Inventor · disambiguated record
Chester D. Campbell
Also filed as: CAMPBELL CHESTER D
8 granted patents·180 citations·filing 1992–1995
89Inventor score
Files withPARKER HANNIFIN CORP8
Top patents by PatentIndex Score
8 records- 0180US5289692AApparatus and method for mass flow control of a working fluidPARKER HANNIFIN CORP·Filed 1993·Granted Mar 1, 1994·51 cites·14 claims
- 0269US5522231AApparatus and method for mass flow control of a working fluidPARKER HANNIFIN CORP·Filed 1995·Granted Jun 4, 1996·30 cites·5 claims
- 0364US5460349AExpansion valve control element for air conditioning systemPARKER HANNIFIN CORP·Filed 1993·Granted Oct 24, 1995·29 cites·22 claims
- 0462US5477701AApparatus and method for mass flow control of a working fluidPARKER HANNIFIN CORP·Filed 1995·Granted Dec 26, 1995·22 cites·8 claims
- 0550US5335513AApparatus and method for detecting characteristics of a working fluidPARKER HANNIFIN CORP·Filed 1993·Granted Aug 9, 1994·17 cites·20 claims
- 0649US5295656AExpansion valve for air conditioning system with proportional solenoidPARKER HANNIFIN CORP·Filed 1992·Granted Mar 22, 1994·13 cites·13 claims
- 0743US5660052AApparatus and method for detecting characteristics of a working fluidPARKER HANNIFIN CORP·Filed 1995·Granted Aug 26, 1997·15 cites·28 claims
- 0830US5390897AExpansion valve for air conditioning system with proportional solenoidPARKER HANNIFIN CORP·Filed 1993·Granted Feb 21, 1995·3 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →