Inventor · disambiguated record
Mahlon D. Dennis
Also filed as: AGRAWAL DINESH · DENNIS MAHLON · DENNIS MAHLON D · DENNIS MAHLON DENTON
46 granted patents·4 pending applications·5,409 citations·filing 1978–2019
99Inventor score
Files withDENNIS TOOL COMPANY13STRATA BIT CORP10SANDVIK AB6DIAMANT BOART STRATABIT USA4DENNIS MAHLON D3
Top patents by PatentIndex Score
50 records- 0199US5544713ACutting element for drill bitsDENNIS TOOL COMPANY·Filed 1994·Granted Aug 13, 1996·377 cites·6 claims
- 0299US5120327ACutting composite formed of cemented carbide substrate and diamond layerDIAMANT BOART STRATABIT USA·Filed 1991·Granted Jun 9, 1992·569 cites·6 claims
- 0399US4784023ACutting element having composite formed of cemented carbide substrate and diamond layer and method of making sameDIAMANT BOART STRATABIT USA·Filed 1985·Granted Nov 15, 1988·331 cites·10 claims
- 0499US4255165AComposite compact of interleaved polycrystalline particles and cemented carbide massesGEN ELECTRIC·Filed 1978·Granted Mar 10, 1981·440 cites·4 claims
- 0598US6500226B1Method and apparatus for fabrication of cobalt alloy composite insertsDENNIS TOOL COMPANY·Filed 2000·Granted Dec 31, 2002·97 cites·22 claims
- 0698US6488103B1Drilling tool and method of using sameGAS RES INST·Filed 2001·Granted Dec 3, 2002·92 cites·14 claims
- 0798US5848348AMethod for fabrication and sintering composite insertsFiled 1996·Granted Dec 8, 1998·114 cites·55 claims
- 0898US5624068ADiamond tools for rock drilling, metal cutting and wear part applicationsSANDVIK AB·Filed 1995·Granted Apr 29, 1997·162 cites·6 claims
- 0998US5496638ADiamond tools for rock drilling, metal cutting and wear part applicationsSANDVIK AB·Filed 1994·Granted Mar 5, 1996·142 cites·11 claims
- 1098US5335738ATools for percussive and rotary crushing rock drilling provided with a diamond layerSANDVIK AB·Filed 1991·Granted Aug 9, 1994·133 cites·8 claims
- 1198US5154245ADiamond rock tools for percussive and rotary crushing rock drillingSANDVIK AB·Filed 1990·Granted Oct 13, 1992·495 cites·25 claims
- 1296US6063333AMethod and apparatus for fabrication of cobalt alloy composite insertsPENN STATE RES FOUND·Filed 1998·Granted May 16, 2000·286 cites·29 claims
- 1396US4592433ACutting blank with diamond strips in groovesSTRATA BIT CORP·Filed 1984·Granted Jun 3, 1986·153 cites·20 claims
- 1495US5217081ATools for cutting rock drillingSANDVIK AB·Filed 1991·Granted Jun 8, 1993·184 cites·11 claims
- 1595US4705123ACutting element for a rotary drill bit and method for making sameSTRATA BIT CORP·Filed 1986·Granted Nov 10, 1987·36 cites·21 claims
- 1695US4640374ARotary drill bitSTRATA BIT CORP·Filed 1985·Granted Feb 3, 1987·146 cites·5 claims
- 1794US5499688APDC insert featuring side spiral wear padsDENNIS TOOL COMPANY·Filed 1994·Granted Mar 19, 1996·123 cites·26 claims
- 1894US5264283ADiamond tools for rock drilling, metal cutting and wear part applicationsSANDVIK AB·Filed 1991·Granted Nov 23, 1993·179 cites·8 claims
- 1994US4662896AMethod of making an abrasive cutting elementSTRATA BIT CORP·Filed 1986·Granted May 5, 1987·78 cites·6 claims
- 2094US4538691ARotary drill bitSTRATA BIT CORP·Filed 1984·Granted Sep 3, 1985·123 cites·22 claims
- 2192US6011248AMethod and apparatus for fabrication and sintering composite insertsFiled 1997·Granted Jan 4, 2000·88 cites·29 claims
- 2292US5524719AInternally reinforced polycrystalling abrasive insertDENNIS TOOL COMPANY·Filed 1995·Granted Jun 11, 1996·141 cites·20 claims
- 2391US5641921ALow temperature, low pressure, ductile, bonded cermet for enhanced abrasion and erosion performanceDENNIS TOOL COMPANY·Filed 1995·Granted Jun 24, 1997·171 cites·23 claims
- 2485US6004505AProcess and apparatus for the preparation of particulate or solid partsDENNIS TOOL COMPANY·Filed 1996·Granted Dec 21, 1999·37 cites·32 claims
- 2585US5709279ADrill bit insert with sinusoidal interfaceFiled 1995·Granted Jan 20, 1998·108 cites·23 claims
- 2684US4323130ADrill bitSTRATA BIT CORP·Filed 1980·Granted Apr 6, 1982·63 cites·16 claims
- 2783US6066290AMethod and apparatus for transporting green work pieces through a microwave sintering systemPENN STATE RES FOUND·Filed 1999·Granted May 23, 2000·37 cites·24 claims
- 2880US4339896AAbrasive compact dressing tools, tool fabrication methods for dressing a grinding wheel with such toolsGEN ELECTRIC·Filed 1978·Granted Jul 20, 1982·18 cites·13 claims
- 2979US5630479ACutting element for drill bitsFiled 1995·Granted May 20, 1997·60 cites·4 claims
- 3078US4739845ANozzle for rotary bitSTRATA BIT CORP·Filed 1987·Granted Apr 26, 1988·51 cites·4 claims
- 3176US5342129ABearing assembly with sidewall-brazed PCD plugsDENNIS TOOL COMPANY·Filed 1992·Granted Aug 30, 1994·62 cites·15 claims
- 3273US6315066B1Microwave sintered tungsten carbide insert featuring thermally stable diamond or grit diamond reinforcementFiled 1998·Granted Nov 13, 2001·59 cites·34 claims
- 3370US6126895AProcess and apparatus for the preparation of particulate or solid partsPENN STATE RES FOUND·Filed 1999·Granted Oct 3, 2000·19 cites·42 claims
- 3467US11400533B2Carbide wear surface and method of manufactureSYNTEX SUPER MAT INC·Filed 2019·Granted Aug 2, 2022·0 cites·27 claims
- 3567US5498081ABearing assembly incorporating shield ring precluding erosionDENNIS TOOL COMPANY·Filed 1993·Granted Mar 12, 1996·41 cites·20 claims
- 3665US5647449ACrowned surface with PDC layerFiled 1996·Granted Jul 15, 1997·47 cites·20 claims
- 3763US5816347APDC clad drill bit insertDENNIS TOOL COMPANY·Filed 1996·Granted Oct 6, 1998·45 cites·13 claims
- 3861US8602133B2Tool with welded cemented metal carbide inserts welded to steel and/or cemented metal carbideDENNIS MAHLON D·Filed 2010·Granted Dec 10, 2013·1 cites·14 claims
- 3958US10384284B2Carbide wear surface and method of manufactureDENNIS TOOL COMPANY·Filed 2015·Granted Aug 20, 2019·0 cites·16 claims
- 4054US4819516AMethod of forming a cutting element having a V-shaped diamond cutting faceDIAMANT BOART STRATABIT USA·Filed 1988·Granted Apr 11, 1989·23 cites·12 claims
- 4153US4716975ACutting element having a stud and cutting disk bonded theretoSTRATA BIT CORP·Filed 1987·Granted Jan 5, 1988·22 cites·10 claims
- 4252US4632196ADrill bit with shrouded cutterSTRATA BIT CORP·Filed 1984·Granted Dec 30, 1986·17 cites·2 claims
- 4348US4247305AAbrasive structures and methods of their preparationGEN ELECTRIC·Filed 1979·Granted Jan 27, 1981·11 cites·3 claims
- 4445US2013182982A1Carbide wear surface and method of manufactureDENNIS MAHLON D·Filed 2012·Application pending·0 cites
- 4544US7712549B2Drilling toolDENNIS TOOL COMPANY·Filed 2004·Granted May 11, 2010·7 cites·12 claims
- 4644US2003220157A1Golf club head with highly polished hard contact factDENNIS TOOL COMPANY·Filed 2002·Application pending·0 cites
- 4741US4749052ACutting element adapted to be pushed into a recess of a drill bit bodyDIAMANT BOART STRATABIT USA·Filed 1986·Granted Jun 7, 1988·12 cites·4 claims
- 4837US4727945ACutting element having diamond cutting blank reinforced by a shoulderSTRATA BIT CORP·Filed 1986·Granted Mar 1, 1988·9 cites·9 claims
- 4936US2006237234A1Earth boring toolDENNIS TOOL COMPANY·Filed 2005·Application pending·0 cites
- 5033US2012012319A1Enhanced hydrocarbon recovery using microwave heatingDENNIS MAHLON D·Filed 2010·Application pending·0 cites
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