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Viziv Technologies / CPG Technologies / Texzon: Zenneck surface-wave power (Tesla-style), 2026-10-08

Google (Chrome) query: Texzon OR "CPG Technologies" "guided surface wave" Corum Tesla test results measured; Hackaday article (curl); vizivtechnologies.com (curl). Investigator (STEP I).

Found

  • CPG Technologies LLC (addresses given in patents as Newbury, OH; Red Oak, TX; Italy, TX) holds a large family of patents on "guided surface waves" on "lossy media" (e.g. US 9,923,385 B2 "Excitation and use of guided surface waves"; US 9,857,402 B2 "Measuring and reporting power received from guided surface waves"; US 9,882,436 B2 "Return coupled wireless power transmission"), and about 140 of its rows cite Tesla's US 787,412 [web: https://patents.google.com/patent/US787412A/en]. The patent texts speak of a "guided surface wave tilt at the Hankel crossover" and field-strength meters [web: Google result snippets for patentimages.storage.googleapis.com].
  • Hackaday, "Texas Tesla Tower Titillates", 20 Nov 2019 [web: https://hackaday.com/2019/11/20/texas-tesla-tower-titillates/]: a tall tower near Milford, Texas, belongs to Viziv Technologies, which says it is experimenting with wireless power by the Zenneck surface wave travelling along the earth's curvature; the author compares it to Wardenclyffe, reports he cannot judge legitimacy, and mentions an MIT paper saying some Zenneck waves need an infinite source. The article links Viziv's "technical brief" (vizivtechnologies.com/science/physics/), which now redirects to a contact page (Viziv, Waco, TX).
  • No published measurement of power delivered at a distance by the Viziv/CPG system was found in this run. A Facebook post in the results says "Viziv/Texzon had private fundraising activity" (not opened; social-media source).

How it bears (priority 3, claim 1)

  • This is the closest present-day project using Tesla's principle in other words: a grounded, earth-coupled launcher exciting a wave guided by the earth's surface (Zenneck), rather than a radiated (Hertzian) wave. The company is an interested party (patents, licensing, fundraising); its description is its own characterization. Mainstream electromagnetics treats whether a Zenneck wave can be efficiently launched as disputed; the Hackaday piece records that view without settling it.
  • Absence of evidence: a company with a built tower and >100 patents but (in this search) no published field test is an anomaly to analyse: possible explanations are commercial secrecy before licensing, negative results, or publication in places not searched (IEEE conference papers by the Corums; Texas business filings for Texzon Utilities / Viziv). Records to try next run: Texas Secretary of State (Texzon, Viziv, CPG Technologies), IEEE Xplore for Corum 2015-2020, FCC experimental licences for Milford, TX.