Inventor · disambiguated record
David Grewell
Also filed as: GREWELL DAVID · GREWELL DAVID A · GREWELL DAVID ALLEN
20 granted patents·3 pending applications·683 citations·filing 1992–2019
96Inventor score
Files withBRANSON ULTRASONICS CORP14UNIV IOWA STATE RES FOUND INC3EDISON WELDING INST INC1KENT CORP1LEE EDWARD W1
Top patents by PatentIndex Score
23 records- 0196US5313034AThermoplastic weldingEDISON WELDING INST INC·Filed 1992·Granted May 17, 1994·153 cites·36 claims
- 0294US10442118B2Closed loop 3D printingUNIV IOWA STATE RES FOUND INC·Filed 2016·Granted Oct 15, 2019·8 cites·10 claims
- 0392US5855706ASimultaneous amplitude and force profiling during ultrasonic welding of thermoplastic workpiecesBRANSON ULTRASONICS CORP·Filed 1997·Granted Jan 5, 1999·85 cites·22 claims
- 0492US5658408AMethod for processing workpieces by ultrasonic energyBRANSON ULTRASONICS CORP·Filed 1995·Granted Aug 19, 1997·95 cites·8 claims
- 0591US9988318B2Biodegradable fertilizerUNIV IOWA STATE RES FOUND INC·Filed 2015·Granted Jun 5, 2018·8 cites·15 claims
- 0691US6528755B2Light guide for laser weldingBRANSON ULTRASONICS CORP·Filed 2001·Granted Mar 4, 2003·83 cites·24 claims
- 0788US5772814AWelding system and method of setting welding machine parametersBRANSON ULTRASONICS CORP·Filed 1996·Granted Jun 30, 1998·64 cites·55 claims
- 0887US7892372B2Apparatus and method for ultrasonic processing of laminatesTEXTRON INNOVATIONS INC·Filed 2005·Granted Feb 22, 2011·9 cites·14 claims
- 0987US5846377AMethod for processing workpieces by ultrasonic energyBRANSON ULTRASONICS CORP·Filed 1997·Granted Dec 8, 1998·57 cites·10 claims
- 1085US6486433B2Transparent pressure bladderBRANSON ULTRASONICS CORP·Filed 2001·Granted Nov 26, 2002·23 cites·28 claims
- 1182US6329629B1Distance mode control for laser weldingBRANSON ULTRASONICS CORP·Filed 2000·Granted Dec 11, 2001·18 cites·20 claims
- 1271US8895778B2Depolymerization of polylactic acidSRINIVASAN GOWRISHANKAR·Filed 2012·Granted Nov 25, 2014·3 cites·21 claims
- 1370US5788791AMethod of determining the collapse of plastic partsBRANSON ULTRASONICS CORP·Filed 1996·Granted Aug 4, 1998·29 cites·6 claims
- 1467US8172969B2Apparatus and method for ultrasonic processing of laminatesLEE EDWARD W·Filed 2011·Granted May 8, 2012·2 cites·20 claims
- 1566US11214714B2Thermoplastic poly acrylated glycerol adhesives useful in cellulosic productsUNIV IOWA STATE RES FOUND INC·Filed 2019·Granted Jan 4, 2022·0 cites·8 claims
- 1666US6205160B1Laser diode arrayBRANSON ULTRASONICS CORP·Filed 1998·Granted Mar 20, 2001·28 cites·11 claims
- 1759US11359069B2Plastic composition with spent filter media fillerKENT CORP·Filed 2019·Granted Jun 14, 2022·0 cites·13 claims
- 1857US6867388B2Electronic masking laser imaging systemBRANSON ULTRASONICS CORP·Filed 2003·Granted Mar 15, 2005·2 cites·13 claims
- 1954US5949959AWelding method and apparatusBRANSON ULTRASONICS CORP·Filed 1997·Granted Sep 7, 1999·13 cites·35 claims
- 2053US2008054051A1Ultrasonic Welding Using Amplitude ProfilingBRANSON ULTRASONICS CORP·Filed 2007·Application pending·0 cites
- 2146US2010176184A1Ultrasonic welding using amplitude profilingBRANSON ULTRASONICS CORP·Filed 2010·Application pending·0 cites
- 2238US2012321808A1Soy based spray coatingTAYLOR ROY D·Filed 2012·Application pending·0 cites
- 2334US6064798AWelding method and apparatusBRANSON ULTRASONICS CORP·Filed 1999·Granted May 16, 2000·3 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →