Prior art

To identify the most relevant prior art for US patent 11419787, I will examine the patent's own citations. The full text provided indicates that US11419787B2 is a continuation of several earlier patent applications and patents. These continuation relationships often point to highly relevant prior art that was developed by the same inventors or assignee.

Here are the prior art references that are explicitly mentioned in the "CROSS-REFERENCE TO RELATED APPLICATIONS" section, along with details from the provided text:

• U.S. patent application Ser. No. 16/538,117

  • Filing Date: Aug. 12, 2019
  • Description: This application is a direct parent of US11419787. It is likely to contain very similar or identical subject matter to the claims of US11419787.
  • Potential Anticipation: All claims of US11419787, particularly those relating to the system and methods for controlling IR sources and tuning wavelength/power levels, as this is a direct continuation.

• U.S. patent application Ser. No. 15/654,180 (now U.S. Pat. No. 10,376,442)

  • Filing Date: Jul. 7, 2017
  • Publication/Issue Date: Issued Aug. 13, 2019
  • Description: This is a further parent application that led to US Patent 10,376,442. This patent likely covers systems and methods for independently controlling IR emitters, tuning peak IR frequency emission ranges, and radiated power levels. The abstract of US11419787 indicates similar subject matter.
  • Potential Anticipation: All claims of US11419787, particularly claims 1, 13, 14, 15, and 17, given the direct ancestral relationship and shared inventive concepts.

• U.S. patent application Ser. No. 14/217,208 (now U.S. Pat. No. 9,744,098)

  • Filing Date: Mar. 14, 2014
  • Publication/Issue Date: Issued Aug. 29, 2017
  • Description: Another parent application in the chain, leading to US Patent 9,744,098. This patent would likely detail advancements in dynamic sauna technology, focusing on controllable IR emitters and their therapeutic applications.
  • Potential Anticipation: All claims of US11419787, especially those related to the system architecture for IR control and methods for achieving specific therapeutic effects.

• U.S. U.S. patent application Ser. No. 12/426,762 (now U.S. Pat. No. 8,676,044)

  • Filing Date: Apr. 20, 2009
  • Publication/Issue Date: Issued Mar. 18, 2014
  • Description: This is an earlier parent application, resulting in US Patent 8,676,044. It is expected to describe foundational aspects of dynamically controlled IR saunas, possibly including various IR heating elements and methods for their control.
  • Potential Anticipation: All claims of US11419787, particularly those describing the fundamental components of the IR sauna system (claim 1) and methods for tuning IR heating (claims 13, 14).

• U.S. patent application Ser. No. 12/205,597

  • Filing Date: Sep. 5, 2008
  • Description: This application is noted as abandoned, but as a continuation-in-part of US12/051,521, its content would likely be highly relevant to the development of the technology. The relevant material would have been carried forward into subsequent applications.
  • Potential Anticipation: While abandoned, any disclosed subject matter would have been part of the public record at its filing date and could potentially anticipate claims if carried forward into later patents without modification or if the later claims are not sufficiently distinct.

• U.S. patent application Ser. No. 12/051,521 (now U.S. Pat. No. 8,588,593)

  • Filing Date: Mar. 19, 2008
  • Publication/Issue Date: Issued Nov. 19, 2013
  • Description: This is the earliest priority document in the chain, leading to US Patent 8,588,593. This patent is expected to disclose the core inventive concept of a dynamic sauna with independently controllable IR emitters, including tuning of wavelength ranges and power levels, and possibly targeting specific body locations. The abstract of US11419787 directly reflects these concepts.
  • Potential Anticipation: All claims of US11419787, given its position as the earliest priority document. This includes the system claims (1, 15, 17) and method claims (13, 14), especially if the core inventive features were present in this initial disclosure.

These "cross-referenced" patents and applications represent the strongest candidates for prior art under 35 U.S.C. § 102 due to their direct lineage and shared inventive entity. Any elements in the claims of US11419787 that are explicitly disclosed or rendered obvious by the disclosures of these earlier patents and applications, filed before the priority date of US11419787, would be potentially anticipated.