works · updated 2026-08-01
Stock Pond Melter
confidence: medium volatility: cold verified: 2026-11-04fresh
Baer's patented closed-loop convective device (US 3,618,569) that keeps an ice hole open for livestock — the conceptual seed of the double-play thermosiphon lineage.
Baer’s patented closed-loop convective device (US 3,618,569) that keeps an ice hole open for livestock — the conceptual seed of the double-play thermosiphon lineage.