James E. Berkeley — 16 Patents at Shopsmith

James E. Berkeley has been granted 16 US patents while listed as an inventor at Shopsmith. The first was granted in 1985 and the most recent in August 2008. James E. Berkeley ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list James E. Berkeley in Englewood, OH, US.

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7414412	Mower presence control assembly including a ribbon switch	—	2008-08-19	$29,769,000
7228679	Electrical method of sensing operator presence on a walk-behind mower	—	2007-06-12	$14,090,000
7121071	Reel mower discharge safety guard	—	2006-10-17	$27,467,000
7077215	Trap rake steering travel limiter	—	2006-07-18	$27,515,000
5809210	Phosphorescent humidifiers and vaporizers	Devin Lee Moore	1998-09-15	$13,480,000
5693270	Method of making humidifiers and vaporizers	Devin Lee Moore	1997-12-02	$29,194,000
5607627	Spin disk humidifier	John A. McMillan	1997-03-04
5035152	Speed increaser for woodworking tools	—	1991-07-30	$234,000
5017180	Speed reduction device	—	1991-05-21	$227,000
5000237	Jointer cutter guard with featherboard	David D. Flora	1991-03-19	$235,000
4989654	Woodworking workable assembly having an extruded T-slot	—	1991-02-05	$163,000
D303309	Engine loading dolly	William J. Pulda, Jr.	1989-09-05
4837982	Control circuit for a honing machine	Timothy D. Franck	1989-06-13
4789275	Boring stand	—	1988-12-06
4615247	Anti-kickback system	—	1986-10-07	$160,000
4538655	Cutter head system	—	1985-09-03	$114,000

James E. Berkeley — 16 Patents

Issued Patents All Time

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