When was U.S. Patent No. 7,581,684 issued for Dryject?
Dryject Franchise · 2025 FDDAnswer from 2025 FDD Document
As a Franchise Owner, you will be able to utilize DryJect® machines incorporating patented methods and technology owned by our affiliate DryJect, Inc. Acquisition Corporation, U.S. Patent No. 7,581,684 (the "Patent 7,581,684"), which was issued on September 1, 2009, and has been licensed for use to us by our affiliate. In general, the Patent 7,581,684, which builds on a previous patent, provides for a device for placing material on or beneath the soil surface and a method for doing the same.
In addition, we may authorize you to use two other patents owned by our affiliate DryJect, Inc. Acquisition Corporation which have been licensed for use to us for use by us and our franchisees.
The first patent is a patented polymer mixing technique, U.S. Patent No. 9,796,639 (the "Patent 9,796,639"), which was issued on October 24, 2017. Patent 9,796,639 is a cross-linked, water absorbent polymer is mixed with desirable additives and coated to prevent water absorption to create a blend that is added to water injection systems for turf and soil maintenance.
The second patent is for a poppet valve, U.S. Patent No. 10,119,627 B2 (the "Patent 10,119,627 B2"), which was issued on November 6, 2018. Patent 10,119,627 B2 is a mechanical patent for a poppet valve used for controlling water flow.
There are no presently effective determinations of the USPTO, or of any court, nor any pending interference, opposition or cancellation proceedings or pending material litigation involving any of the patents listed above.
Source: Item 14 — PATENTS, COPYRIGHTS AND PROPRIETARY INFORMATION (FDD pages 36–37)
What This Means (2025 FDD)
According to Dryject's 2025 Franchise Disclosure Document, U.S. Patent No. 7,581,684 was issued on September 1, 2009. This patent, held by Dryject's affiliate DryJect, Inc. Acquisition Corporation, covers a device and method for placing material on or beneath the soil surface. Dryject has been licensed to use this patent.
As a Dryject franchisee, you are authorized to use DryJect machines that incorporate this patented technology. The FDD also mentions that Dryject may authorize franchisees to use two other patents owned by their affiliate. These additional patents cover a patented polymer mixing technique (U.S. Patent No. 9,796,639, issued October 24, 2017) and a poppet valve (U.S. Patent No. 10,119,627 B2, issued November 6, 2018).
Dryject states that there are no current determinations from the USPTO or any court, nor any pending legal proceedings, that would affect these patents. However, Dryject is not obligated to protect the franchisee against infringement claims related to these patents, although they state they intend to exercise their best efforts to protect them. If a franchisee faces litigation related to the patents, they must promptly notify and cooperate with Dryject, who has the right to control any litigation involving the licensed patents.