Michael J. Wech — 15 Patents at Oil-Rite

Michael J. Wech has been granted 15 US patents while listed as an inventor at Oil-Rite. The first was granted in 2000 and the most recent in November 2019. Michael J. Wech ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Michael J. Wech in Manitowoc, WI, US.

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Showing 1–15 of 15 patents

Patent #	Title	Co-Inventors	Date
10473223	Evacuation valve	—	2019-11-12
10107451	Fluid reservoir	—	2018-10-23
9557206	Adjustable fluid level verification apparatus	—	2017-01-31
8157243	Insert molded evacuation valve	—	2012-04-17
7975805	Lubrication system	—	2011-07-12
7600984	Hydraulic metering device	Donald G. Gruett	2009-10-13
7550689	Reservoir assembly	Carolyn M. Boldt	2009-06-23
7118352	Hydraulic metering device	Donald G. Gruett	2006-10-10
6928716	Method for assembling a multi-piece apparatus	Joseph Teresi	2005-08-16
6758092	Fluid level verification apparatus	Joseph Teresi	2004-07-06
6532815	Fluid level verification apparatus	—	2003-03-18
6478115	Overhead conveyor lubrication apparatus and method	William P. Biaggio, Shaun M. Beauchamp	2002-11-12
6164924	Piston and drive assembly for use in a pump	Donald G. Gruett	2000-12-26
6099270	Single-piece piston for use in a pneumatically-activated pump	—	2000-08-08
6071097	Single-piece piston for use in a pneumatically-activated pump	Donald G. Gruett, Scott Wright	2000-06-06

Michael J. Wech — 15 Patents

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