Inventor · disambiguated record
Stephen A. Von Phul
Also filed as: VON PHUL STEPHEN A
7 granted patents·369 citations·filing 1995–2003
89Inventor score
Top patents by PatentIndex Score
7 records- 0192US6168647B1Multi-stage vessel and separator/coalescer filter elementPERRY EQUIPMENT CORP·Filed 1999·Granted Jan 2, 2001·109 cites·66 claims
- 0287US5919284AGas filter separator coalescer and multi-stage vesselFiled 1998·Granted Jul 6, 1999·86 cites·20 claims
- 0385US5827430ACoreless and spirally wound non-woven filter elementPERRY EQUIPMENT CORP·Filed 1995·Granted Oct 27, 1998·73 cites·11 claims
- 0471US5893956AMethod of making a filter elementPERRY EQUIPMENT CORP·Filed 1997·Granted Apr 13, 1999·46 cites·13 claims
- 0570US6974542B2Method and apparatus for removing foaming contaminants from hydrocarbon processing solventsVON PHUL STEPHEN A·Filed 2003·Granted Dec 13, 2005·15 cites·18 claims
- 0669US6080320AMethod and apparatus for removing foaming contaminants from hydrocarbon processing solventsFiled 1999·Granted Jun 27, 2000·38 cites·16 claims
- 0749US6602423B2Method and apparatus for removing foaming contaminants from hydrocarbon processing solventsFiled 2001·Granted Aug 5, 2003·2 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →