Inventor · disambiguated record
Erik W. Wehtje
Also filed as: WEHTJE ERIK W
5 granted patents·89 citations·filing 1992–2011
82Inventor score
Top patents by PatentIndex Score
5 records- 0178US5573790AApparatus for manufacturing expandable polystyrene (EPS) pelletsPOLYSOURCE INC·Filed 1994·Granted Nov 12, 1996·40 cites·5 claims
- 0268US9439471B2Method of using a replaceable-component helmetWEHTJE ERIK W·Filed 2011·Granted Sep 13, 2016·8 cites·14 claims
- 0365US6365275B1Polystyrene beadsPOLYSOURCE INC·Filed 2000·Granted Apr 2, 2002·6 cites·9 claims
- 0460US5267845AApparatus for manufacturing expandable polystyrene (EPS) pelletsPOLYSOURCE INC·Filed 1992·Granted Dec 7, 1993·23 cites·13 claims
- 0549US6218002B1Concrete mix containing polystyrene beadsPOLYSOURCE INC·Filed 1997·Granted Apr 17, 2001·12 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →