Derek M. Eagles — 13 Patents at John Deere

Derek M. Eagles has been granted 13 US patents while listed as an inventor at John Deere. The first was granted in 1983 and the most recent in July 2022. Derek M. Eagles ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Derek M. Eagles in Hudson, IA, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11396323	Electro-hydraulic steering control system	—	2022-07-26	$192,128,000
10668947	Electro-hydraulic steering control system	—	2020-06-02	$52,199,000
7458428	Towed scraper blade control method	Gregory Joseph Laudick, William Guy Alexander, Jeffrey D. Dawson, Thomas E. Boe	2008-12-02	$24,796,000
7142968	Hitch raise rate calibration method	William Guy Alexander, Thomas E. Boe, Jianming Yu	2006-11-28	$19,665,000
6371158	Hydraulic system sump standpipe	Yifei Raymond Hou	2002-04-16	$9,291,000
5394701	Brake valve with prefill chamber unloading valve	Douglas M. Durant, Larry M. Delfs	1995-03-07	$5,275,000
5245827	Supply valve arrangement for closed center hydraulic system	Douglas M. Durant, Larry M. Delfs, Ronald Pratt	1993-09-21	$16,624,000
5020324	Charge flow priority circuit	Donald J. MacDonald, James A. Miller	1991-06-04	$9,173,000
4470259	Closed center, load sensing hydraulic system	James A. Miller	1984-09-11	$4,167,000
4470260	Open center load sensing hydraulic system	James A. Miller	1984-09-11	$4,167,000
4463557	Open center hydraulic system	James A. Miller	1984-08-07	$668,000
4463558	Load sensing hydraulic system	James A. Miller	1984-08-07	$668,000
4381995	In-line filter and flow control valve	—	1983-05-03	$8,646,000

Derek M. Eagles — 13 Patents

Issued Patents All Time

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