Inventor · disambiguated record
M. Rifat Ullah
Also filed as: ULLAH M RIFAT
14 granted patents·1 pending application·215 citations·filing 1995–2019
92Inventor score
Top patents by PatentIndex Score
15 records- 0195US8641366B1Non-contacting seals for geared gas turbine engine bearing compartmentsUNITED TECHNOLOGIES CORP·Filed 2013·Granted Feb 4, 2014·22 cites·26 claims
- 0288US9359912B2Runner for circumferential sealsULLAH M RIFAT·Filed 2011·Granted Jun 7, 2016·15 cites·16 claims
- 0387US10502094B2Bearing compartment sealing system with passive coolingUNITED TECHNOLOGIES CORP·Filed 2015·Granted Dec 10, 2019·5 cites·19 claims
- 0482US8167314B2Distortion resistant face seal counterface systemULLAH M RIFAT·Filed 2009·Granted May 1, 2012·11 cites·15 claims
- 0582US5626347AConing resistant face seal having a "U" shapeALLIED SIGNAL INC·Filed 1996·Granted May 6, 1997·48 cites·5 claims
- 0679US6655695B1Face seal assembly with composite rotorHONEYWELL INT INC·Filed 2001·Granted Dec 2, 2003·35 cites·46 claims
- 0774US9574459B2Non-contacting seals for geared gas turbine engine bearing compartmentsUNITED TECHNOLOGIES CORP·Filed 2014·Granted Feb 21, 2017·3 cites·30 claims
- 0872US9482158B2Turbomachine hybrid lift-off face sealUNITED TECHNOLOGIES CORP·Filed 2012·Granted Nov 1, 2016·4 cites·22 claims
- 0970US5639096AOil film cooled face sealALLIED SIGNAL INC·Filed 1996·Granted Jun 17, 1997·44 cites·9 claims
- 1068US10443443B2Non-contacting seals for geared gas turbine engine bearing compartmentsUNITED TECHNOLOGIES CORP·Filed 2017·Granted Oct 15, 2019·1 cites·20 claims
- 1162US8770918B1Non-contacting seals for geared gas turbine engine bearing compartmentsUNITED TECHNOLOGIES CORP·Filed 2013·Granted Jul 8, 2014·1 cites·22 claims
- 1259US5544896AComposite face sealALLIED SIGNAL INC·Filed 1995·Granted Aug 13, 1996·26 cites·10 claims
- 1358US10352195B2Non-contacting seals for geared gas turbine engine bearing compartmentsUNITED TECHNOLOGIES CORP·Filed 2017·Granted Jul 16, 2019·0 cites·20 claims
- 1455US11499442B2Bearing compartment seal configuration for a gas turbine engineUNITED TECHNOLOGIES CORP·Filed 2019·Granted Nov 15, 2022·0 cites·18 claims
- 1537US2014119887A1Fluid-cooled seal arrangement for a gas turbine engineUNITED TECHNOLOGIES CORP·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →