Inventor · disambiguated record
John F. Justak
Also filed as: JUSTAK JOHN F
17 granted patents·6 pending applications·754 citations·filing 1993–2013
95Inventor score
Top patents by PatentIndex Score
23 records- 0198US8919781B2Self-adjusting non-contact sealJUSTAK JOHN F·Filed 2013·Granted Dec 30, 2014·60 cites·7 claims
- 0298US8641045B2Seal with stacked sealing elementsJUSTAK JOHN F·Filed 2011·Granted Feb 4, 2014·67 cites·13 claims
- 0398US8172232B2Non-contact seal for a gas turbine engineJUSTAK JOHN F·Filed 2008·Granted May 8, 2012·100 cites·9 claims
- 0498US8002285B2Non-contact seal for a gas turbine engineJUSTAK JOHN F·Filed 2008·Granted Aug 23, 2011·107 cites·12 claims
- 0598US7896352B2Seal with stacked sealing elementsJUSTAK JOHN F·Filed 2007·Granted Mar 1, 2011·77 cites·8 claims
- 0698US7410173B2Hydrodynamic brush sealJUSTAK JOHN F·Filed 2007·Granted Aug 12, 2008·95 cites·5 claims
- 0798US7182345B2Hydrodynamic brush sealJUSTAK JOHN F·Filed 2005·Granted Feb 27, 2007·80 cites·13 claims
- 0897US6428009B2Robust hydrodynamic brush sealFiled 2001·Granted Aug 6, 2002·81 cites·12 claims
- 0990US7905099B2Predictive maintenance method and apparatus for HVACR systemsJUSTAK JOHN F·Filed 2008·Granted Mar 15, 2011·17 cites·25 claims
- 1080US8505411B2Active balancing system powered by lightJUSTAK JOHN F·Filed 2010·Granted Aug 13, 2013·4 cites·18 claims
- 1178US8653688B2Submerged ram air turbine generating systemJUSTAK JOHN F·Filed 2011·Granted Feb 18, 2014·7 cites·24 claims
- 1274US8601865B2Method and apparatus for measuring liquid quantity in bulk containersJUSTAK JOHN F·Filed 2012·Granted Dec 10, 2013·3 cites·7 claims
- 1373US9132922B2Ram air turbineJUSTAK JOHN F·Filed 2011·Granted Sep 15, 2015·4 cites·17 claims
- 1463US5348401AHybrid bearings for turbopumpsUS ARMY·Filed 1993·Granted Sep 20, 1994·25 cites·5 claims
- 1562US6118134AOptical mass gauge sensor having an energy per unit area of illumination detectionFiled 1998·Granted Sep 12, 2000·25 cites·22 claims
- 1656US8322234B2Method and apparatus for measuring liquid quantity in bulk containersJUSTAK JOHN F·Filed 2009·Granted Dec 4, 2012·2 cites·9 claims
- 1756US2005277093A1Furniture templateFANTOM CONCEPTS LLC·Filed 2004·Application pending·0 cites
- 1853US8813602B2Active balancing system powered by lightJUSTAK JOHN F·Filed 2013·Granted Aug 26, 2014·0 cites·12 claims
- 1946US2012301273A1Adjustable exhaust apparatus for a ram air turbine generating systemJUSTAK JOHN F·Filed 2011·Application pending·0 cites
- 2043US2006178780A1Active balancing system powered by lightJUSTAK JOHN F·Filed 2006·Application pending·0 cites
- 2142US2011033280A1Hybrid ram air turbine with inlet guide vanesJUSTAK JOHN F·Filed 2009·Application pending·0 cites
- 2241US2007096397A1Hydrodynamic brush sealJUSTAK JOHN F·Filed 2006·Application pending·0 cites
- 2335US2004217549A1Hydrodynamic brush sealFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →