Wayne O. Duescher — 41 Patents at Keltech Engineering

Wayne O. Duescher has been granted 41 US patents while listed as an inventor at Keltech Engineering. The first was granted in 1981 and the most recent in July 2023. Wayne O. Duescher ranks #75,001 of 4,157,543 US inventors in our database (top 1.8%). Patent records list Wayne O. Duescher in Roseville, MN, US.

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #	Title	Co-Inventors	Date
11691241	Abrasive lapping head with floating and rigid workpiece carrier	Cameron M. Duescher	2023-07-04
10926378	Abrasive coated disk islands using magnetic font sheet	Cameron M. Duescher	2021-02-23
9604339	Vacuum-grooved membrane wafer polishing workholder	Cameron M. Duescher	2017-03-28
9233452	Vacuum-grooved membrane abrasive polishing wafer workholder	Cameron M. Duescher	2016-01-12
9199354	Flexible diaphragm post-type floating and rigid abrading workholder	Cameron M. Duescher	2015-12-01
9039488	Pin driven flexible chamber abrading workholder	—	2015-05-26
9011207	Flexible diaphragm combination floating and rigid abrading workholder	—	2015-04-21
8998678	Spider arm driven flexible chamber abrading workholder	—	2015-04-07
8998677	Bellows driven floatation-type abrading workholder	—	2015-04-07
8845394	Bellows driven air floatation abrading workholder	—	2014-09-30
8758088	Floating abrading platen configuration	—	2014-06-24
8740668	Three-point spindle-supported floating abrasive platen	—	2014-06-03
8696405	Pivot-balanced floating platen lapping machine	—	2014-04-15
8647170	Laser alignment apparatus for rotary spindles	—	2014-02-11
8647172	Wafer pads for fixed-spindle floating-platen lapping	—	2014-02-11
8647171	Fixed-spindle floating-platen workpiece loader apparatus	—	2014-02-11
8641476	Coplanar alignment apparatus for rotary spindles	—	2014-02-04
8602842	Three-point fixed-spindle floating-platen abrasive system	—	2013-12-10
8545583	Method of forming a flexible abrasive sheet article	—	2013-10-01
8500515	Fixed-spindle and floating-platen abrasive system using spherical mounts	—	2013-08-06
8430717	Dynamic action abrasive lapping workholder	—	2013-04-30
8337280	High speed platen abrading wire-driven rotary workholder	—	2012-12-25
8328600	Workpiece spindles supported floating abrasive platen	—	2012-12-11
8256091	Equal sized spherical beads	—	2012-09-04
8062098	High speed flat lapping platen	—	2011-11-22

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Wayne O. Duescher — 41 Patents

Issued Patents All Time

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