Inventor · disambiguated record
Raymond J. Donahue
Also filed as: DONAHUE RAYMOND J
52 granted patents·648 citations·filing 1985–2021
98Inventor score
Top patents by PatentIndex Score
52 records- 0197US7666353B2Aluminum-silicon alloy having reduced microporosityBRUNSWICK CORP·Filed 2005·Granted Feb 23, 2010·22 cites·16 claims
- 0296US9114455B1Method and apparatus for avoiding erosion in a high pressure die casting shot sleeve for use with low iron aluminum silicon alloysBRUNSWICK CORP·Filed 2013·Granted Aug 25, 2015·14 cites·15 claims
- 0396US7347905B1Aluminum-silicon alloy having reduced microporosity and method for casting the sameBRUNSWICK CORP·Filed 2005·Granted Mar 25, 2008·15 cites·7 claims
- 0495US11090714B1Method and apparatus for avoiding erosion in a high pressure die casting shot sleeve for use with low iron aluminum silicon alloysBRUNSWICK CORP·Filed 2019·Granted Aug 17, 2021·3 cites·4 claims
- 0595US9757795B1Method and apparatus for avoiding erosion in a high pressure die casting hot sleeve for use with low iron aluminum silicon alloysBRUNSWICK CORP·Filed 2015·Granted Sep 12, 2017·5 cites·21 claims
- 0694US9731348B1Method and apparatus for avoiding erosion in a high pressure die casting shot sleeve for use with low iron aluminum silicon alloysBRUNSWICK CORP·Filed 2015·Granted Aug 15, 2017·7 cites·15 claims
- 0793US9114456B1Method and apparatus for avoiding erosion in a high pressure die casting shot sleeve for use with low iron aluminum silicon alloysBRUNSWICK CORP·Filed 2013·Granted Aug 25, 2015·7 cites·16 claims
- 0892US10486229B1Method and apparatus for avoiding erosion in a high pressure die casting shot sleeve for use with low iron aluminum silicon alloysBRUNSWICK CORP·Filed 2017·Granted Nov 26, 2019·2 cites·16 claims
- 0992US9650699B1Nickel containing hypereutectic aluminum-silicon sand cast alloysBRUNSWICK CORP·Filed 2015·Granted May 16, 2017·3 cites·18 claims
- 1090US6923935B1Hypoeutectic aluminum-silicon alloy having reduced microporosityBRUNSWICK CORP·Filed 2003·Granted Aug 2, 2005·21 cites·5 claims
- 1190US4966220AEvaporable foam casting system utilizing a hypereutectic aluminum-silicon alloyBRUNSWICK CORP·Filed 1989·Granted Oct 30, 1990·25 cites·7 claims
- 1288US10189079B1Slides and expendable cores for high pressure die cast closed deck engine blockBRUNSWICK CORP·Filed 2017·Granted Jan 29, 2019·2 cites·9 claims
- 1388US4969428AHypereutectic aluminum silicon alloyBRUNSWICK CORP·Filed 1989·Granted Nov 13, 1990·34 cites·7 claims
- 1485US10596622B1Slides and expendable cores for high pressure die cast closed deck engine blockBRUNSWICK CORP·Filed 2018·Granted Mar 24, 2020·1 cites·6 claims
- 1585US7188416B1Restoration process for porosity defects in high pressure die cast engine blocksBRUNSWICK CORP·Filed 2003·Granted Mar 13, 2007·29 cites·14 claims
- 1685US4875985AMethod and appparatus for producing titaniumBRUNSWICK CORP·Filed 1988·Granted Oct 24, 1989·28 cites·27 claims
- 1783US11318530B1Slides and expendable cores for high pressure die cast closed deck engine blockBRUNSWICK CORP·Filed 2020·Granted May 3, 2022·1 cites·22 claims
- 1883US9527131B1Congruent melting salt alloys for use as salt cores in high pressure die castingBRUNSWICK CORP·Filed 2014·Granted Dec 27, 2016·2 cites·8 claims
- 1983US8220124B1Restoration process for porosity defects in metal cast productsMORASCH KEVIN·Filed 2008·Granted Jul 17, 2012·10 cites·26 claims
- 2080US4875517AMethod of producing salt cores for use in die castingBRUNSWICK CORP·Filed 1989·Granted Oct 24, 1989·20 cites·12 claims
- 2178US11524334B1Method and apparatus for avoiding erosion in a high pressure die casting shot sleeve for use with low iron aluminum silicon alloysBRUNSWICK CORP·Filed 2021·Granted Dec 13, 2022·0 cites·5 claims
- 2278US9109271B2Nickel containing hypereutectic aluminum-silicon sand cast alloyBRUNSWICK CORP·Filed 2013·Granted Aug 18, 2015·1 cites·15 claims
- 2378US8074355B1Method for manufacturing a connecting rod for an engineCLEARY TERRANCE M·Filed 2007·Granted Dec 13, 2011·12 cites·14 claims
- 2478US5253625AInternal combustion engine having a hypereutectic aluminum-silicon block and aluminum-copper pistonsBRUNSWICK CORP·Filed 1992·Granted Oct 19, 1993·24 cites·8 claims
- 2578US4603665AHypereutectic aluminum-silicon casting alloyBRUNSWICK CORP·Filed 1985·Granted Aug 5, 1986·24 cites·4 claims
- 2677US6763876B1Method and apparatus for casting of metal articles using external pressureBRUNSWICK CORP·Filed 2002·Granted Jul 20, 2004·15 cites·7 claims
- 2776US7712216B1Restoration process for porosity defects in metal cast productsBRUNSWICK CORP·Filed 2006·Granted May 11, 2010·7 cites·16 claims
- 2876US7100669B1Aluminum-silicon casting alloy having refined primary silicon due to pressureBRUNSWICK CORP·Filed 2003·Granted Sep 5, 2006·7 cites·19 claims
- 2976US5234514AHypereutectic aluminum-silicon alloy having refined primary silicon and a modified eutecticBRUNSWICK CORP·Filed 1991·Granted Aug 10, 1993·23 cites·6 claims
- 3076US5038847AEvaporable foam pattern for use in casting a crankshaftBRUNSWICK CORP·Filed 1989·Granted Aug 13, 1991·29 cites·11 claims
- 3173US5165464AMethod of casting hypereutectic aluminum-silicon alloys using a salt coreBRUNSWICK CORP·Filed 1991·Granted Nov 24, 1992·13 cites·10 claims
- 3271US5303682ACylinder bore liner and method of making the sameBRUNSWICK CORP·Filed 1991·Granted Apr 19, 1994·29 cites·3 claims
- 3371US4821694AHypereutectic aluminum-silicon casting alloyBRUNSWICK CORP·Filed 1986·Granted Apr 18, 1989·18 cites·7 claims
- 3470US7494554B1Method for continuous manufacturing of cast articles utilizing one or more fluidized beds for heat treating and aging purposesBRUNSWICK CORP·Filed 2004·Granted Feb 24, 2009·7 cites·24 claims
- 3569US6883580B1Apparatus and improved method for lost foam casting of metal articles using external pressureBRUNSWICK CORP·Filed 2003·Granted Apr 26, 2005·6 cites·19 claims
- 3669US4964973AMethod and apparatus for producing titaniumBRUNSWICK CORP·Filed 1989·Granted Oct 23, 1990·17 cites·19 claims
- 3768US6957685B1Method of cleaning and of heat treating lost foam castingsBRUNSWICK CORP·Filed 2003·Granted Oct 25, 2005·7 cites·22 claims
- 3866US10370742B2Hypereutectic aluminum-silicon cast alloys having unique microstructureBRUNSWICK CORP·Filed 2016·Granted Aug 6, 2019·0 cites·23 claims
- 3966US9878367B1Congruent melting salt alloys for use as salt cores in high pressure die castingBRUNSWICK CORP·Filed 2016·Granted Jan 30, 2018·0 cites·15 claims
- 4064US11047032B2Method for solution heat treating with pressureBRUNSWICK CORP·Filed 2016·Granted Jun 29, 2021·0 cites·14 claims
- 4164US6427759B1Investment cast stainless steel marine propellerBRUNSWICK CORP·Filed 2000·Granted Aug 6, 2002·7 cites·1 claims
- 4264US4830085AVacuum lift foam filled casting systemBRUNSWICK CORP·Filed 1988·Granted May 16, 1989·10 cites·5 claims
- 4363US4787434AVacuum lift foam filled casting systemBRUNSWICK CORP·Filed 1986·Granted Nov 29, 1988·20 cites·3 claims
- 4459US10364484B2Method and alloys for low pressure permanent mold without a coatingBRUNSWICK CORP·Filed 2017·Granted Jul 30, 2019·0 cites·13 claims
- 4559US5290373AEvaporable foam casting system utilizing an aluminum-silicon alloy containing a high magnesium contentBRUNSWICK CORP·Filed 1993·Granted Mar 1, 1994·18 cites·10 claims
- 4656US5960851AMethod of lost foam casting of aluminum-silicon alloysBRUNSWICK CORP·Filed 1998·Granted Oct 5, 1999·17 cites·12 claims
- 4756US5355930AMethod of expendable pattern casting of hypereutectic aluminum-silicon alloys using sand with specific thermal propertiesBRUNSWICK CORP·Filed 1993·Granted Oct 18, 1994·18 cites·7 claims
- 4853US6024157AMethod of casting hypereutectic aluminum-silicon alloys using an evaporable foam pattern and pressureBRUNSWICK CORP·Filed 1997·Granted Feb 15, 2000·15 cites·5 claims
- 4953US5129378ATwo-cycle marine engine having aluminum-silicon alloy block and iron plated pistonsBRUNSWICK CORP·Filed 1991·Granted Jul 14, 1992·17 cites·12 claims
- 5052US5009260AVacuum lift foam filled casting systemBRUNSWICK CORP·Filed 1989·Granted Apr 23, 1991·13 cites·6 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →