John Pfaff — 13 Patents at Clark Equipment

John Pfaff has been granted 13 US patents while listed as an inventor at Clark Equipment. The first was granted in 1996 and the most recent in November 2025. John Pfaff ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list John Pfaff in Bismarck, ND, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12460371	Electrically powered power machine	Brent Durkin, Dennis Agnew, Matthew Sagaser	2025-11-04
12353205	Remote control for a power machine	Matti Maurice Kariluoma	2025-07-08
12305364	Control of multiple power machines	Matthew Sagaser	2025-05-20
12180672	Electrically powered power machine	Brent Durkin, Dennis Agnew, Matthew Sagaser	2024-12-31
12122302	Display integrated into door	Dennis Agnew, Joel Honeyman, Matthew Sagaser	2024-10-22
11738643	Display integrated into door	Dennis Agnew, Matthew Sagaser, Joel Honeyman	2023-08-29
11648887	Display integrated into door	Dennis Agnew, Joel Honeyman	2023-05-16
11372405	Augmented loader controls	John Hoaby	2022-06-28
11281210	Object detection external to vehicle	—	2022-03-22
10112323	Complete tooling packages for mold building structures	Randall Lake, Robert Mark Adams, Brian Kruchten, Louis Paul Schaefer, Helena Twardowska	2018-10-30	$25,191,000
7734030	Dial plan generator	James Medica, Dipesh J. Modi, Stephen V. Minshew, Kevin Borror, Mark Zekra	2010-06-08	$38,497,000
7664245	System and method for provisioning digital phone service	Robert W. Coughlin, Donald G. Monteyne, Renee K. Downs Storosh, Lori L. Mays, Robert Michael Glass	2010-02-16	$116,036,000
5570284	Method and apparatus for remote control of a locomotive throttle controller	Leonard Roselli, Daniel J. Wolf, Gregory S. Balukin	1996-10-29	$4,084,000

John Pfaff — 13 Patents

Issued Patents All Time

Patent Widget