Hatch; Frederick R.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hatch; Frederick R..The latest application filed is for "radial shaft seal assembly with snap in auxillary member".

Company Profile

0.19.12

Hatch; Frederick R. - Ann Arbor MI

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Radial shaft seal assembly with snap in auxiliary member Grant 9,394,998 - Hatch July 19, 2	2016-07-19
Radial Shaft Seal Assembly With Snap In Auxillary Member App 20140097572 - Hatch; Frederick R.	2014-04-10
Radial shaft seal with dust exclusion and hydrodynamic sealing feature Grant 8,573,602 - Payne , et al. November 5, 2	2013-11-05
Low torque shaft seal with improved seal element bond joint Grant 8,505,926 - Toth , et al. August 13, 2	2013-08-13
Radial seal and method of making Grant 8,480,092 - Hatch July 9, 2	2013-07-09
Hydrodynamic seal with increased flexibility sealing element Grant 8,459,654 - Hatch , et al. June 11, 2	2013-06-11
Radial Shaft Seal With Dust Exclusion And Hydrodynamic Sealing Feature App 20130049306 - Payne; Andrew ; et al.	2013-02-28
Compression Sensor Gasket Assembly And Method Of Construction Thereof App 20130042674 - Toth; David M. ; et al.	2013-02-21
Hydrodynamic Seal With Increased Flexibility Sealing Element App 20120280457 - Hatch; Frederick R. ; et al.	2012-11-08
Radial shaft seal assembly with lubrication retention and debris exclusion feature and method of construction thereof Grant 8,235,391 - Hatch , et al. August 7, 2	2012-08-07
Radial seal and method of making Grant 8,029,714 - Hatch October 4, 2	2011-10-04
Radial Shaft Seal Assembly With Lubrication Retention And Debris Exclusion Feature And Method Of Construction Thereof App 20110227293 - Hatch; Frederick R. ; et al.	2011-09-22
Low Torque Shaft Seal With Improved Seal Element Bond Joint App 20110221143 - Toth; David M. ; et al.	2011-09-15
Method of constructing a low torque shaft seal Grant 7,959,840 - Hatch June 14, 2	2011-06-14
Low Torque Shaft Seal And Method Of Construction Thereof App 20090309261 - Hatch; Frederick R.	2009-12-17
Radial Seal And Method Of Making App 20080010827 - HATCH; FREDERICK R.	2008-01-17
Radial seal and method of making App 20070057472 - Hatch; Frederick R.	2007-03-15
Shaft seal Grant 7,055,828 - Hatch , et al. June 6, 2	2006-06-06
Shaft seal App 20030184021 - Hatch, Frederick R. ; et al.	2003-10-02
Method of manufacturing a composite seal Grant 6,620,361 - Longtin , et al. September 16, 2	2003-09-16
Compact compressor seal Grant 5,052,696 - Hatch October 1, 1	1991-10-01
Bidirectional seal with elliptical sealing barriers Grant 4,739,998 - Steusloff , et al. April 26, 1	1988-04-26
Seal assembly for a vehicle air conditioning compressor Grant 4,664,392 - Hatch May 12, 1	1987-05-12
Seal assembly for a vehicle air conditioning compressor Grant 4,583,749 - Hatch April 22, 1	1986-04-22
Multi-element Fluctuating Pressure Seal Grant 3,771,799 - Sekulich , et al. November 13, 1	1973-11-13

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