The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 19, 2026
Filed:
Mar. 24, 2023
Douglas Dynamics, L.l.c., Milwaukee, WI (US);
Bob W. Iverson, Germantown, WI (US);
Jeffery Scott De Ruyter, Cedar Grove, WI (US);
Tucker Evans Hill, Hope, ME (US);
Andrew Joseph Janowicz, Orland, ME (US);
Jason Nathanael Sievert, West Bend, WI (US);
Douglas Dynamics, L.L.C., Milwaukee, WI (US);
Abstract
A vehicle mounted sprayer for spreading liquid treatment material for treatment or pre-treatment of road surfaces comprises a plurality of tanks for containing main brine material to be spread, a hot mix tank supplying hot mix, a mix valve for mixing the main brine and hot mix, pumps for controllably delivering main brine and hot mix to the mix valve, and a flow sensor for measuring the flow rate of liquid treatment material. A controller determines the intended density and flow rate of liquid based on sensor inputs.