Inventor · disambiguated record
James R. Pfaltzgraff
Also filed as: PFALTZGRAFF JAMES R
9 granted patents·1 pending application·229 citations·filing 1987–2014
91Inventor score
Files withARMSTRONG MANUFACTURING COMPAN3PFALTZGRAFF JAMES R2PROULX MFG INC2SHINDAIWA INC2PROULX RICHARD A1
Top patents by PatentIndex Score
10 records- 0195US6952877B2Vegetation cutting deviceSHINDAIWA INC·Filed 2003·Granted Oct 11, 2005·63 cites·10 claims
- 0291US8510960B2Trimmer head spool for use in flexible line rotary trimmer heads having improved line loading mechanismPFALTZGRAFF JAMES R·Filed 2011·Granted Aug 20, 2013·27 cites·12 claims
- 0391US7607232B2Vegetation cutting deviceSHINDAIWA INC·Filed 2005·Granted Oct 27, 2009·29 cites·6 claims
- 0490US8918999B2Aerodynamic trimmer head for use in flexible line rotary trimmersPROULX RICHARD A·Filed 2011·Granted Dec 30, 2014·17 cites·55 claims
- 0590US7979991B2Vegetation cutting devicePFALTZGRAFF JAMES R·Filed 2009·Granted Jul 19, 2011·24 cites·17 claims
- 0672US4819515AMethod and apparatus for grinding saw teethARMSTRONG MANUFACTURING COMPAN·Filed 1987·Granted Apr 11, 1989·25 cites·20 claims
- 0770US9295195B2Aerodynamic trimmer head for use in flexible line rotary trimmersPROULX MFG INC·Filed 2014·Granted Mar 29, 2016·4 cites·17 claims
- 0867US4864896AMethod and apparatus for tipping teeth of saw bladesARMSTRONG MANUFACTURING COMPAN·Filed 1987·Granted Sep 12, 1989·21 cites·23 claims
- 0961US5040436AMethod and apparatus for tipping saw bladesARMSTRONG MANUFACTURING COMPAN·Filed 1991·Granted Aug 20, 1991·19 cites·18 claims
- 1051US2015107120A1Aerodynamic Trimmer Head For Use In Flexible Line Rotary TrimmersPROULX MFG INC·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →