Home

Primary Examiner: Sewell, Paul T.
Assistant Examiner: Bratlie, Steven A.
Attorney: Baker; Carl W., Lang; Richard V.

Next ten patents ordered by date:

Articulated hinge cooperating with an energy storage device capable of automatically opening and holding open an unlatched compartment door
Weatherstrip
Weather seal apparatus
Sliding door, meant especially to be used in fire protection or insulation
Working method for the automatic bursting-off and grinding the edges of glasses, and automatic machine for carrying out such method
Eavestroughing system
Gutter protector assembly
Free standing wall
Lightweight building module
Molded plastic stake

Translate:
En
De
Es
Fr
It
Pt
Ja
Ko
Zh

Title: Feed regulator for nutrient film agriculture system

Abstract: Nutrient feed regulation systems for automatic control of nutrient flow rates in controlled environment agriculture installations utilizing nutrient film techniques. Such control is provided by feed regulators each including means defining a metering orifice of fixed flow area and means establishing a constant hydrostatic head across the metering orifice, thus enabling the maintenance of a constant nutrient flow rate to all plant growth containers in both vertically tiered and horizontally arrayed container configurations.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Miller, William M. (Lafayette, NY, US)

Application Number: 848818
Filing Date: 1977-11-07
Publication_date: 1980-01-29
Assignee: General Electric Company (Syracuse, NY)
Primary Class(es): 47/62C 47/79, 137/577
Other Classes:
US Patent Ref:

536716	Apr, 1895	Brentlinger	222/51.
1652889	Dec, 1927	Cook	222/424.
1921347	Aug, 1933	Coulson	222/424.
2063595	Dec, 1936	Feeney	137/577.
2152254	Mar, 1939	Hansen	47/62.
2849835	Sep, 1958	Huff	47/59.
2851198	Sep, 1958	Rasmusson	222/424.
2988104	Jun, 1961	Stone et al.	137/262.
3365840	Jan, 1968	Cooper	47/82.
3584762	Dec, 1968	Vantroba et al.	222/1.
3660933	Mar, 1970	Won, Jr.	47/62.
3667157	Jun, 1972	Longhini	47/59.
3766684	Oct, 1973	Kato	47/62.
3807088	May, 1972	Jones	47/62.
3817454	Jun, 1974	Pira	239/76.
3991918	Nov, 1976	McNamara et al.	239/76.
4035950	Jul, 1977	Anslem	47/59.
4149970	Apr, 1979	Atkins et al.	47/62.

Other Refs: 5182692640114260278828643536386524939119415312455811443326

Mar, 1953	BE
Mar, 1977	DE
Jul, 1977	DE
Jun, 1931	IT
Oct, 1938	IT
Oct, 1936	GB
Jun, 1970	GB
Sep, 1971	GB
Jul, 1976	GB

Other References: "Rapid Progress Through 1974 With Nutrient Film Trials", Cooper, Jan. 25, 1975, The Grower Magazine.