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Douglas Dynamics, Inc. (PLOW)

NYSE: PLOW · Construction Machinery & Equip · Milwaukee, WI · filing with the SEC since 2004
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Patents

US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026

150 patents granted to the 9 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Douglas Dynamics, Inc.’s names, not what it holds today.

Patents granted
150
144 utility, 4 design, 2 reissue, 1976 to Dec 31, 2025
Granted in 2025
11
Against 7 in 2024 and 12 in 2023
Applications published
131
11 of them in 2025
Names they are printed under
9
a subsidiary, its own name
By yearGrantedApplications published
'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Transport30
Civil engineering9
Furniture, games9
Chemical engineering2
Handling2
Mechanical elements1
Engines, pumps, turbines1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name9 counted
Fisher & Company, Incorporated a subsidiary
US, as the owner printed on each patent
57 granted
47 published
Douglas Dynamics, L.L.C. its own name
US, as the owner printed on each patent
55 granted
15 published
Dejana Truck and Utility Equipment Co., Inc. a subsidiary
US, as the owner printed on each patent
27 granted
26 published
Douglas Dynamics, L.L.C. its own name
named as the applicant on its applications, in US
0 granted
24 published
HENDERSON PRODUCTS, INC. a subsidiary
US, as the owner printed on each patent
8 granted
8 published
FISHER & COMPANY, INCORPORATED a subsidiary
named as the applicant on its applications, in US
0 granted
7 published
Trynex International LLC a subsidiary
US, as the owner printed on each patent
3 granted
0 published
DEJANA TRUCK AND UTILITY EQUIPMENT CO., INC. a subsidiary
named as the applicant on its applications, in US
0 granted
2 published
Henderson Products, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
2 published
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Dec 23, 202512,503,016Vehicle seat adjustment assembly with reduced-backlash gear systemTransportFisher & Company, Incorporated
Dec 16, 202512,497,744Containment plowCivil engineeringDouglas Dynamics, L.L.C.
Dec 16, 202512,497,743Convertible snow plowCivil engineeringDouglas Dynamics, L.L.C.
Dec 16, 202512,496,937Vehicle seat adjustment system with power long railsTransportFisher & Company, Incorporated
Sep 9, 202512,409,760Seat swivel assembly with locking pinTransportFisher & Company, Incorporated
May 6, 202512,291,896Drawer assemblyFurniture, gamesDejana Truck and Utility Equipment Co., Inc.
Apr 22, 202512,281,453Snow plow assemblyCivil engineeringDouglas Dynamics, L.L.C.
Apr 8, 202512,268,297Shelving systemsFurniture, gamesDejana Truck and Utility Equipment Co., Inc.
Jan 14, 202512,195,100Modular wind fairings and methods of useTransportDejana Truck and Utility Equipment Co., Inc.
Jan 7, 202512,188,190Spreader with shaftless augerHandlingDouglas Dynamics, L.L.C.
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Dec 4, 20252025/0368098Seat Swivel Assembly With Locking PinTransportFisher & Company, Incorporated
Nov 13, 20252025/0347069SNOW PLOW BLADE LIFT/LOWER SYSTEM FOR STAND-ON SKID STEER VEHICLECivil engineeringDouglas Dynamics, L.L.C.
Aug 21, 20252025/0263955DRAWER ASSEMBLYFurniture, gamesDejana Truck and Utility Equipment Co., Inc.
Aug 7, 20252025/0250822SHELVING SYSTEMSTransportDejana Truck and Utility Equipment Co., Inc.
May 1, 20252025/0136037Belt Buckle Power Actuator For A Vehicle SeatTransportFisher & Company, Incorporated
Apr 24, 20252025/0128647Clip For Vehicle Seat Cable AssemblyTransportFisher & Company, Incorporated
Apr 24, 20252025/0127294SHELVING SYSTEMSFurniture, gamesDejana Truck and Utility Equipment Co., Inc.
Mar 13, 20252025/0084602SNOW AND ICE SPREADER AND SPRAYERCivil engineeringDouglas Dynamics, L.L.C.
Feb 27, 20252025/0065791Vehicle Seat Recliner Mechanism With Encapsulating RingTransportFisher & Company, Incorporated
Feb 6, 20252025/0040702DRAWER ASSEMBLYFurniture, gamesDejana Truck and Utility Equipment Co., Inc.
What it applied for, 2024 to 2025: Transport 10 · Furniture, games 5 · Civil engineering 2.

A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.

SI Assistanton PLOW · research, not advice