Inventor · disambiguated record
Billy L. Speer
Also filed as: SPEER BILLY L · SPEER BILLY LOGAN
13 granted patents·1 pending application·350 citations·filing 1975–2006
93Inventor score
Files withDAYCO CORP7DAYCO PRODUCTS INC1DAYCO PRODUCTS LLC1FLUID ROUTING SOLUTIONS INC1SPEER BILLY L1
Top patents by PatentIndex Score
14 records- 0195US3975965ABelt tensioning apparatusDAYCO CORP·Filed 1975·Granted Aug 24, 1976·54 cites·30 claims
- 0288US4366609AComposite pulley and method for makingDAYCO CORP·Filed 1981·Granted Jan 4, 1983·57 cites·12 claims
- 0387US4066025AHem folding machineSPEER BILLY LOGAN·Filed 1975·Granted Jan 3, 1978·35 cites·22 claims
- 0486US4525152ABelt tensioner and method of making the sameDAYCO CORP·Filed 1982·Granted Jun 25, 1985·41 cites·10 claims
- 0584US7487856B2Electrically actuated, hydraulic power steering systemFLUID ROUTING SOLUTIONS INC·Filed 2006·Granted Feb 10, 2009·20 cites·30 claims
- 0684US4536172ABelt tensioner and method of making the sameDAYCO CORP·Filed 1984·Granted Aug 20, 1985·37 cites·20 claims
- 0783US4047446AEndless power transmission beltDAYCO CORP·Filed 1976·Granted Sep 13, 1977·33 cites·16 claims
- 0883US3987684AEndless power transmission belt structureDAYCO CORP·Filed 1975·Granted Oct 26, 1976·34 cites·19 claims
- 0957US4083261AEndless power transmission beltDAYCO CORP·Filed 1977·Granted Apr 11, 1978·16 cites·20 claims
- 1045US6666294B2Belt driven mechanical boost power steeringDAYCO PRODUCTS LLC·Filed 2002·Granted Dec 23, 2003·6 cites·20 claims
- 1141US4734086AEndless power transmission belt structureDAYCO PRODUCTS INC·Filed 1976·Granted Mar 29, 1988·6 cites·1 claims
- 1239US5804753AStringed instrumentFiled 1996·Granted Sep 8, 1998·8 cites·15 claims
- 1335US4546713AHem folding machineSPEER BILLY L·Filed 1985·Granted Oct 15, 1985·3 cites·6 claims
- 1429US2003127275A1High efficiency automotive hydraulic power steering systemFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →