Ann Arbor, Michigan
United States
10
2014-04-10
The entities that hold a legal rights for patent applications filed by inventor Hatch Frederick R.:
Frederick R. Hatch from Ann Arbor, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Radial shaft seal assembly with snap in auxiliary member
#2 | 2013-02-28Radial shaft seal with dust exclusion and hydrodynamic sealing feature
#3 | 2013-02-21COMPRESSION SENSOR GASKET ASSEMBLY AND METHOD OF CONSTRUCTION THEREOF
#4 | 2012-11-08Hydrodynamic seal with increased flexibility sealing element
#5 | 2011-09-22Radial shaft seal assembly with lubrication retention and debris exclusion feature and method of construction thereof
#6 | 2011-09-15Low torque shaft seal with improved seal element bond joint
#7 | 2009-12-17Method of constructing a low torque shaft seal
#8 | 2008-01-17Radial seal and method of making
#9 | 2007-03-15Radial seal and method of making
#10 | 2006-06-06Shaft seal
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