Animal husbandry – Milkers – With signals – indicators – registers – and timers
Patent
1979-06-01
1981-10-06
Chamblee, Hugh R.
Animal husbandry
Milkers
With signals, indicators, registers, and timers
119 28, 98 33R, A01K 100, F24F 706
Patent
active
042929270
ABSTRACT:
A ventilating system for a swine shelter including an air inlet device located on the prevailing wind sidewall of such shelter and an air exhaust device on the other side of such shelter. The air inlet and exhaust devices include fans controlled by timers and thermostats so as to maintain a closed-shelter, controlled-environment type of confinement system. The air inlet is located within the eave of the shelter but the air exhaust is located so as to accept air from the manure pit only. A second air inlet and air exhaust are provided for use in the non-winter months.
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patent: 1903510 (1933-04-01), Laboon et al.
patent: 1981166 (1934-11-01), Duttweiler
patent: 2354292 (1944-07-01), Waterman
patent: 2708868 (1955-05-01), Loomis
patent: 3225739 (1965-12-01), Brodrick
patent: 3601096 (1971-08-01), Rutherford
patent: 3677229 (1972-07-01), Blough et al.
patent: 3951336 (1976-04-01), Miller et al.
Chamblee Hugh R.
Farmstead Industries, Div. of Farmhand, Inc.
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