Chadwick A. Shaffer — 49 Patents at The Toro

Chadwick A. Shaffer has been granted 49 US patents while listed as an inventor at The Toro. The first was granted in 1999 and the most recent in September 2025. Chadwick A. Shaffer ranks #55,592 of 4,157,543 US inventors in our database (top 1.3%). Patent records list Chadwick A. Shaffer in Oakdale, MN, US.

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12402559	Walk outdoor power equipment unit having handle mounted operational controls using compliant mechanisms	Chris A. Wadzinski, Jeff Weber, Shawn Monitor	2025-09-02
12108701	Walk power mower with transmission providing both forward and reverse propulsion	Todd A. Porter, Steven J. Svoboda	2024-10-08	$61,734,000
12069984	Walk outdoor power equipment unit having handle mounted operational controls using compliant mechanisms	Chris A. Wadzinski, Jeff Weber, Shawn Monitor	2024-08-27	$37,913,000
11895945	Assembly for adding ambient air to the cutting chamber of a walk power mower	John O. Hurst, Robert L. Anderson, Todd A. Porter	2024-02-13	$64,217,000
11849670	Walk power mower with slidable handle grip movable along a curved path for controlling a variable speed traction drive	Todd A. Porter, Jeff Weber, Shawn Monitor, Jason Van Putten Holt	2023-12-26	$63,709,000
D1008315	Lawn mower bumper	Patrick J. Shaver, Brandon N. Imsdahl, Christina O. Swanson, Kenneth G. Grant, Duncan K. Grant +1 more	2023-12-19
11771004	Mulch door with sensor	Todd A. Porter, John O. Hurst, Ryan M. Petersen	2023-10-03	$26,094,000
11653594	Walk power mower with transmission providing both forward and reverse propulsion	Todd A. Porter, Steven J. Svoboda	2023-05-23	$26,369,000
11464165	Walk power mower with slidable handle grip movable along a curved path for controlling a variable speed traction drive	Todd A. Porter, Jeff Weber, Shawn Monitor, Jason Holt	2022-10-11	$51,750,000
D904824	Food service article with utensil combination feature	Daniel George Mishek	2020-12-15
10834871	Walk power mower with transmission providing both forward and reverse propulsion	Todd A. Porter, Steven J. Svoboda	2020-11-17	$56,096,000
10716264	Biodegradable horticulture container	Daniel George Mishek	2020-07-21
10470378	Biodegradable horticulture container	Daniel George Mishek	2019-11-12
10306831	Walk power mower having forward and reverse traction drive	Todd A. Porter, Chris A. Wadzinski, Jackie R. Gust	2019-06-04	$27,099,000
10143318	Food display and service articles	Daniel George Mishek	2018-12-04
10123478	Walk power mower with biased handle	Todd A. Porter	2018-11-13	$12,907,000
10111381	Walk power mower with transmission providing both forward and reverse propulsion	Todd A. Porter	2018-10-30	$24,250,000
D820722	Plant pot	Daniel George Mishek	2018-06-19
D820150	Plant pot	Daniel George Mishek	2018-06-12
9872442	Biodegradable shield for plant protection	Daniel George Mishek	2018-01-23
D775999	Plant pot	Daniel George Mishek	2017-01-10
9472992	Electric motor support structure and power equipment unit incorporating same	—	2016-10-18	$18,352,000
9420924	Oscillating airstream nozzle for debris blower	Steven J. Svoboda, Dana R. Lonn	2016-08-23	$21,509,000
D747050	Housing of a portable blower/vacuum	David J. Martin, Philip C. Dretzka	2016-01-05
9131643	Cord wrap system and portable blower incorporating same	Michael James Hoffman	2015-09-15	$12,555,000

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Chadwick A. Shaffer — 49 Patents

Issued Patents All Time

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