United States
US 12,697,512 B2
Z-shield™ filtered air protective system
US 12,697,512 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-04. Applicant: Zonit Structured Solutions, LLC. Its PDF downloads from this page without an account, up to 5 a day.
- Applicant
- Zonit Structured Solutions, LLC
- Inventors
- William Pachoud; Steve Chapel
- Publication date
- 2026-08-04
- Filing date
- 2021-04-05
- Document type
- B2 Granted patent
- Also written as
- US 12,697,512 B2 · US12697512 · 12697512
Abstract
Personal protective equipment systems and methods of use are presented. In various embodiments, air enters the apparatus and passes through an optional pre-filter and through a one-way air “check” valve. The incoming air then enters a counter-flow heat exchange path and proceeds towards a heating chamber. The incoming air is heated to a desired temperature and exits via a return path. The air is cooled to a desired exit temperature suitable to be delivered to a user.…
The opening of the abstract. The full text is in the PDF.
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Patent office website: United States Patent and Trademark Office (USPTO)
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