Patents & Filings
US patent PDFs are official USPTO image‑ppubs downloads. International publications are currently archived via StansLegacy mirrors and should be replaced with official EPO/WIPO/CIPO/J‑PlatPat sources when available.
US Patent Grants (Official USPTO PDFs)
- US3970070A — Solar heating system (1976-07-06).
- US4265224A — Multi-stage solar storage system (1981-04-21).
- US4275950A — Light guide lens (1981-06-30).
- US4389981A — Hydrogen gas injector system (1983-06-28).
- US4421474A — Hydrogen gas burner (1983-12-20).
- US4465455A — Hydrogen gas burner control (1984-08-14).
- US4613304A — Gas electrical hydrogen generator (1986-09-23).
- US4613779A — Electrical pulse generator (1986-09-23).
- US4798661A — Gas generator voltage control circuit (1989-01-17).
- US4826581A — Controlled process for production of thermal energy from gases (1989-05-02).
- US4936961A — Method for the production of a fuel gas (1990-06-26).
- US5149407A — Process and apparatus for production of fuel gas (1992-09-22).
- US5293857A — Hydrogen gas fuel management system (1994-03-15).
PDF files are stored locally in research/sources/*-uspto.pdf and indexed in research/02-patents.md.
International Patent Publications (Archival Mirrors)
The archive includes European (EP), Canadian (CA), Japanese (JP), and WIPO/PCT (WO) publications. These are preserved as archival copies and should be replaced with official sources when available.
- European publications: research/sources/ep*.pdf
- Canadian publications: research/sources/ca*.pdf and CIPO HTML records
- Japanese publication: research/sources/jp58202352a.pdf
- WIPO/PCT publications: research/sources/wo*.pdf
Trademark Status (USPTO TSDR)
- WATER FUEL CELL — serial 73423278
- WATER FUEL CELL — serial 73423279
- HEAT RESONATOR — serial 75308159
TSDR status snapshots are archived in research/sources/*uspto-tsdr*.html.