top of page

Public patent record

Three Issued U.S. Patents.

Assignee: CUPOD LLC. Inventor: Wayne C. Osterholm. The patents describe the generator, a dispenser, and the system titled “System for sterilizing equipment…” They are not a test report and not a government clearance. Titles are quoted from the patent record; they are not CUPOD® claims.

​

US 11,905,606 B2

Patent title: “Chlorine dioxide gas generating devices, systems, and methods.” Electrolytic generation, reagents, and a hydrophobic membrane. Issued February 20, 2024.

Read it on Google Patents

​

US 12,146,230 B2

Patent title: “Chlorine dioxide gas generating device and associated dispensing container.” The generator coupled to a dispensing bottle that receives the gas through a hydrophobic membrane. Issued November 19, 2024.

Read it on Google Patents

​

US 12,359,324 B2

Patent title: “System for sterilizing equipment, associated method, and chlorine dioxide gas generating device for use with same.” Generator, a vacuum chamber or bag, and aeration. Issued July 15, 2025.

Read it on Google Patents

​

Scope Of The Issued Patents

​

US 11,905,606 B2
Title: “Chlorine dioxide gas generating devices, systems, and methods.”
Filed: March 27, 2023
Issued: February 20, 2024
Status: Issued; assignee CUPOD LLC
Architecture described: Electrolytic generation, reagents, and a hydrophobic membrane

​

US 12,146,230 B2
Title: “Chlorine dioxide gas generating device and associated dispensing container.”
Filed: January 12, 2024
Issued: November 19, 2024
Status: Issued; assignee CUPOD LLC
Architecture described: The generator coupled to a dispensing bottle that receives the gas through a hydrophobic membrane

​

US 12,359,324 B2
Title: “System for sterilizing equipment, associated method, and chlorine dioxide gas generating device for use with same.”
Filed: October 15, 2024
Issued: July 15, 2025
Status: Issued; assignee CUPOD LLC
Architecture described: Generator, a vacuum chamber or bag, and aeration

​

Source: Google Patents records for US 11,905,606 B2, US 12,146,230 B2 and US 12,359,324 B2, checked October 8, 2026. Titles verbatim. A patent describes architecture; it is not a test result, a registration or a clearance.

​

The patents are the public description of a sealed electrolytic cell that holds the reagent, passes gas through a membrane, and can feed a dispenser or a chamber. CUPOD® is a registered trademark.

​

They do not, by themselves, show a finished cycle, a logged result, or a logged bottle concentration. Holding these patents does not make CUPOD® hardware EPA-registered or FDA-cleared.

​

Unpublished applications, claim drafts, and internal reviews are not linked here. For a patent counsel letter, write info@cupodllc.com.

​

See the architecture →

Research and prototype hardware. Not EPA-registered and not offered for sale. Full status statement →

Welkins Med logo

Veteran-owned small business (SBA VetCert) · Pennsylvania

Active SAM.gov registration · UEI QEYYDN5M2Y27 · CAGE 9MV71

Issued U.S. patents: US 11,905,606 · US 12,146,230 · US 12,359,324

Engineering and hardware partner: Welkins Med

Some technical details are not published. Research organizations may request more information at info@cupodllc.com; a nondisclosure agreement may apply.

Research and development only. Not EPA-registered. Not offered for sale. No performance or efficacy claims are made.

Contact: info@cupodllc.com

© 2026 CUPOD LLC

bottom of page