Wellpoint with adjustable valve
A wellpoint having an outer screen pipe, and an inner intake pipe connected to a vacuum source. A positionable valve is mounted between the screen pipe and the intake pipe to regulate the amount of screen pipe surface subject to vacuum by the intake pipe.
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| creator | PERRY PAUL E BRENNAN WALTER W MYERS CHARLES R |
| description | A wellpoint having an outer screen pipe, and an inner intake pipe connected to a vacuum source. A positionable valve is mounted between the screen pipe and the intake pipe to regulate the amount of screen pipe surface subject to vacuum by the intake pipe. |
| format | Patent |
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A positionable valve is mounted between the screen pipe and the intake pipe to regulate the amount of screen pipe surface subject to vacuum by the intake pipe.</description><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, ORDISTRIBUTING WATER</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><subject>SEWERAGE</subject><subject>WATER SUPPLY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1976</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAPT83JKcjPzCtRKM8syVBITMkqLS5JTMpJVShLzClL5WFgTUvMKU7lhdLcDPJuriHOHrqpBfnxqcUFicmpeakl8aHBxpbGBqbGFo7GhFUAALjUJIU</recordid><startdate>19760106</startdate><enddate>19760106</enddate><creator>PERRY; PAUL E</creator><creator>BRENNAN; WALTER W</creator><creator>MYERS; CHARLES R</creator><scope>EVB</scope></search><sort><creationdate>19760106</creationdate><title>Wellpoint with adjustable valve</title><author>PERRY; PAUL E ; BRENNAN; WALTER W ; MYERS; CHARLES R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US3930538A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1976</creationdate><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, ORDISTRIBUTING WATER</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><topic>SEWERAGE</topic><topic>WATER SUPPLY</topic><toplevel>online_resources</toplevel><creatorcontrib>PERRY; PAUL E</creatorcontrib><creatorcontrib>BRENNAN; WALTER W</creatorcontrib><creatorcontrib>MYERS; CHARLES R</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PERRY; PAUL E</au><au>BRENNAN; WALTER W</au><au>MYERS; CHARLES R</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Wellpoint with adjustable valve</title><date>1976-01-06</date><risdate>1976</risdate><abstract>A wellpoint having an outer screen pipe, and an inner intake pipe connected to a vacuum source. 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| language | eng |
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| subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, ORDISTRIBUTING WATER MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SEWERAGE WATER SUPPLY |
| title | Wellpoint with adjustable valve |
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