Invalidity dossier
US 11690782
Dynamic sauna
Current assignee: Sunlighten LLC
Added 7/4/2026, 2:17:30 PM
IndustryMedical (M)
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Patent summary
Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.
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Here is a concise summary of US patent 11690782:
US Patent 11690782 - Dynamic sauna
- Title: Dynamic sauna
- Assignee: Sunlighten LLC
- Inventors: James T. O'Keeffe, Aaron Michael Zack, Martin C. Ku, Ian Richard Kuklenski, Steven J. Murray
- Filing Date: August 16, 2022
- Issue Date: July 4, 2023
- Abstract: Systems and methods are provided for controlling infrared radiation (IR) sources of a sauna. This includes tuning IR wavelength-ranges and radiated power-levels of IR sources, and directing IR to specific locations on a user's body. An illustrative embodiment describes a sauna with adjustable IR emitters that can emit IR at various wavelengths to provide desirable radiation treatment. Another embodiment describes a method for tuning IR emitters in a sauna.
Plain-Language Overview of Independent Claims:
- Independent Claim 1: This claim describes a sauna system. It includes an enclosed space (the sauna), multiple infrared (IR) emitters that can produce IR across different wavelength ranges, and at least one driver module to operate these emitters. A heat control module is also included, which receives information about desired IR wavelength-ranges and power-levels. Based on this information, the heat control module sends instructions to the driver module to ensure the IR emitters produce the specified IR wavelengths and power-levels.
- Independent Claim 6: This claim outlines a method for operating a sauna as part of a training program. The method involves defining multiple "progress levels" for a program, with each level having specific sauna settings. When a user starts a session for a particular level, biological data (like heart rate or temperature) is collected and stored. This data is then analyzed to determine if the user successfully completed that progress level. If successful, the system generates settings for the next progress level.
- Independent Claim 11: This claim details a method for actively adjusting (tuning) the infrared heating within a sauna. It involves receiving input, either from a user or a computing device, regarding desired IR wavelength-ranges and their corresponding output power-levels. Based on this received information, one or more IR emitters in the sauna then emit IR at those specific wavelength-ranges and power-levels.
- Independent Claim 15: This claim describes a sauna with an advanced IR heater. This heater has outputs that can be adjusted and is made up of several distinct heating elements that operate electronically. Each of these individual heating elements can be controlled independently to emit IR with a specific peak emission wavelength and a specific output power level.
- Independent Claim 19: This claim describes a sauna equipped with an IR heater that uses a high-resistance polyimide film. This film is designed to have at least two sections that can operate at different temperatures, thereby producing multiple peak IR wavelengths. These different temperature settings for the film portions can be adjusted. A heat control module manages this IR heater, receiving desired IR wavelength-range and power-level information, and then providing control instructions to the heater to achieve those specified IR emissions.
No 2026 dockets for patent 11690782 were found at the Court of Appeals for the Federal Circuit.
Generated 7/4/2026, 6:45:35 PM