Measuring and testing – Volume or rate of flow – Thermal type
Patent
1977-05-23
1978-11-28
Yasich, Daniel M.
Measuring and testing
Volume or rate of flow
Thermal type
73362R, 340606, 340666, G01F 168
Patent
active
041270312
ABSTRACT:
Attempted boat theft is detected by measuring the increased displacement of the boat caused by the added weight of the thief. The device measures the slight sinking of the boat into the water under the added weight and automatically resets so as to be in readiness for responding to the next person.
REFERENCES:
patent: 2678434 (1954-05-01), Brown et al.
patent: 2808580 (1957-10-01), Fuller
patent: 3101695 (1963-08-01), Honeyman, Jr.
patent: 3246523 (1966-04-01), Richard
patent: 3559204 (1971-01-01), Dashper
patent: 3760396 (1973-09-01), Haselton
patent: 3781839 (1973-12-01), Bodge
patent: 3925756 (1975-12-01), Edwards
Hammar Ralph
Yasich Daniel M.
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