Inventor · disambiguated record
Paul D. Hammesfahr
Also filed as: HAMMESFAHR PAUL · HAMMESFAHR PAUL D
35 granted patents·24 pending applications·1,338 citations·filing 1985–2016
98Inventor score
Top patents by PatentIndex Score
59 records- 0195US5367002ADental composition and methodDENTSPLY RES & DEV·Filed 1992·Granted Nov 22, 1994·192 cites·48 claims
- 0294US6783810B2Reducing polymerization stress by controlled segmental curingDENTSPLY RES & DEV·Filed 2001·Granted Aug 31, 2004·61 cites·1 claims
- 0391US6696507B2Dental composite restorative material and method of restoring a toothDENTSPLY RES & DEV·Filed 2002·Granted Feb 24, 2004·38 cites·2 claims
- 0487US4867682ADental impression trayDENTSPLY RES & DEV·Filed 1987·Granted Sep 19, 1989·86 cites·9 claims
- 0586US5338773ADental composition and methodDENTSPLY RES & DEV·Filed 1993·Granted Aug 16, 1994·89 cites·20 claims
- 0686US4776704AMixing and dispensing syringeDENTSPLY RES & DEV·Filed 1986·Granted Oct 11, 1988·98 cites·14 claims
- 0785US5710194ADental compounds, compositions, products and methodsDENTSPLY RES & DEV·Filed 1996·Granted Jan 20, 1998·69 cites·23 claims
- 0885US5177120AChain extended urethane diacrylate and dental impression formationDENTSPLY RES & DEV·Filed 1987·Granted Jan 5, 1993·87 cites·22 claims
- 0985US4867680APre-loaded dental impression package and method of makingDENTSPLY RES & DEV·Filed 1987·Granted Sep 19, 1989·84 cites·21 claims
- 1082US7959370B2Packaged dental compositionDENTSPLY INT INC·Filed 2008·Granted Jun 14, 2011·6 cites·29 claims
- 1182US6612465B2Multi-component mixing storage and dispensing deviceDENTSPLY RES & DEV·Filed 2002·Granted Sep 2, 2003·39 cites·1 claims
- 1282US5955514ADental composition and methodDENTSPLY RES & DEV·Filed 1997·Granted Sep 21, 1999·54 cites·22 claims
- 1381US6387980B2Dental composition system and methodDENTSPLY RES & DEV·Filed 2000·Granted May 14, 2002·11 cites·20 claims
- 1479US8461227B2Radical polymerizable macrocyclic resin compositions with low polymerization stressJIN XIAOMING·Filed 2010·Granted Jun 11, 2013·1 cites·6 claims
- 1577US2010305233A1Low stress flowable compositionsJIN XIAOMING·Filed 2009·Application pending·0 cites
- 1676US6353040B1Dental composite restorative material and method of restoring a toothDENTSPLY RES & DEV·Filed 1998·Granted Mar 5, 2002·35 cites·10 claims
- 1776US6262142B1Translucent wear resistant dental enamel material and methodDENTSPLY RES & DEV·Filed 1999·Granted Jul 17, 2001·47 cites·29 claims
- 1875US5304586ARadiopaque fluoride releasing VLC dental composites and the use of specific fillers thereinDENTSPLY RES & DEV·Filed 1991·Granted Apr 19, 1994·52 cites·29 claims
- 1975US2009247715A1Radical polymerizable macrocyclic resin compositions with low polymerization stressJIN XIAOMING·Filed 2009·Application pending·0 cites
- 2073US2008182948A1Low shrinkage and low stress dental compositionsJIN XIAOMING·Filed 2008·Application pending·0 cites
- 2173US2009011387A1Method and composition for adhering to tooth structureSANG JUNJIE·Filed 2008·Application pending·0 cites
- 2271US6191190B1Method and composition for adhering to tooth structureDENTSPLY RES & DEV·Filed 1998·Granted Feb 20, 2001·36 cites·43 claims
- 2371US5906490ADental product, shading kit and methodCERAMCO INC·Filed 1997·Granted May 25, 1999·48 cites·26 claims
- 2469US9522967B2Photopolymerizable compositions featuring novel amine accelerator for improved color stability and reduced polymerization stress therebyJIN XIAOMING·Filed 2007·Granted Dec 20, 2016·0 cites·3 claims
- 2569US9169332B2Photopolymerizable and photocleavable resins and low shrink and low stress composite compositionsJIN XIAOMING D·Filed 2009·Granted Oct 27, 2015·0 cites·7 claims
- 2669US2007293598A1Method and composition for adhering to tooth structureSANG JUNJIE·Filed 2007·Application pending·0 cites
- 2767US2005059753A1Method and composition for adhering to tooth structureFiled 2004·Application pending·0 cites
- 2866US4659327AMultiple dosage syringeDENTSPLY RES & DEV·Filed 1985·Granted Apr 21, 1987·115 cites·4 claims
- 2966US2008076853A1Photopolymerizable and photocleavable resins and low shrink and low stress composite compositionsJIN XIAOMING·Filed 2007·Application pending·0 cites
- 3066US2010298462A1Self-cure activatorLIU HUAIBING·Filed 2008·Application pending·0 cites
- 3164US2010234549A1Radical polymerizable macrocyclic resin compositions with low polymerization stressJIN XIAOMING·Filed 2009·Application pending·0 cites
- 3264US2006063854A1Low shrinkage and low stress dental compositionsJIN XIAOMING·Filed 2005·Application pending·0 cites
- 3363US2004167246A1Dental composite restorative material and method of restoring a toothDENTSPLY RES & DEV·Filed 2004·Application pending·0 cites
- 3462US5981620ADental compounds, compositions, products and methodsDENTSPLY RES & DEV·Filed 1997·Granted Nov 9, 1999·21 cites·28 claims
- 3562US2007123605A1Self-cure activatorDENTSPLY RES AND DEV CORP·Filed 2006·Application pending·0 cites
- 3662US2009182109A1Radical polymerizable macrocyclic resin compositions with low polymerization stressJIN XIAOMING·Filed 2009·Application pending·0 cites
- 3761US9427382B2Method and composition for adhering to tooth structureSANG JUNJIE·Filed 2010·Granted Aug 30, 2016·0 cites·9 claims
- 3861US9315598B2Low stress flowable dental compositionsJIN XIAOMING·Filed 2013·Granted Apr 19, 2016·0 cites·7 claims
- 3961US8129446B2Radical polymerizable macrocyclic resin compositions with low polymerization stressJIN XIAOMING·Filed 2010·Granted Mar 6, 2012·0 cites·4 claims
- 4061US2008182997A1Radical polymerizable macrocyclic resin compositions with low polymerization stressDENTSPLY INT INC·Filed 2008·Application pending·0 cites
- 4161US2004209974A1Dental composite restorative material and method of restoring a toothDENTSPLY RES & DEV·Filed 2003·Application pending·0 cites
- 4260US6391940B1Method and composition for adhering to metal dental structureDENTSPLY RES & DEV·Filed 1999·Granted May 21, 2002·21 cites·80 claims
- 4359US2007041776A1Packaged dental compositionPIERSON PAUL R·Filed 2006·Application pending·0 cites
- 4458US2012226009A1Low stress flowable dental compositionsJIN XIAOMING·Filed 2012·Application pending·0 cites
- 4558US2008076848A1Low stress flowable compositionsJIN XIAOMING·Filed 2007·Application pending·0 cites
- 4658US2012108837A1Radical polymerizable macrocyclic resin compositions with low polymerization stressJIN XIAOMING·Filed 2011·Application pending·0 cites
- 4757US9944723B2Photopolymerizable compositions featuring novel amine accelerator for improved color stability and reduced polymerization stress therebyDENTSPLY SIRONA INC·Filed 2016·Granted Apr 17, 2018·0 cites·6 claims
- 4857US2006287459A1Radical polymerizable macrocyclic resin compositions with low polymerization stressJIN XIAOMING·Filed 2005·Application pending·0 cites
- 4955US8167509B2Packaged dental compositionPIERSON PAUL R·Filed 2011·Granted May 1, 2012·0 cites·27 claims
- 5055US5554028ADental impression takingDENTSPLY RES & DEV·Filed 1994·Granted Sep 10, 1996·18 cites·9 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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