Tamper proof backflow prevention assembly
A testable backflow prevention assembly provided with a means for preventing unauthorized access to water within the assembly throughout the differential pressure gradient of the assembly; comprising: a means for locking the valves of the test cocks, a means for lockably securing the test cocks to t...
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| creator | STEVENS ROBERT B |
| description | A testable backflow prevention assembly provided with a means for preventing unauthorized access to water within the assembly throughout the differential pressure gradient of the assembly; comprising: a means for locking the valves of the test cocks, a means for lockably securing the test cocks to the backflow prevention assembly body, and a means for preventing cessation of water pressure within the backflow prevention assembly. |
| format | Patent |
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BLASTING ; COCKS ; DEVICES FOR VENTING OR AERATING ; DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER ; ENGINEERING ELEMENTS AND UNITS ; FIXED CONSTRUCTIONS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; SEWERAGE ; SINKS ; TAPS ; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; THERMAL INSULATION IN GENERAL ; VALVES ; WATER SUPPLY ; WEAPONS</subject><creationdate>1990</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900807&DB=EPODOC&CC=US&NR=4945940A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900807&DB=EPODOC&CC=US&NR=4945940A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>STEVENS; ROBERT B</creatorcontrib><title>Tamper proof backflow prevention assembly</title><description>A testable backflow prevention assembly provided with a means for preventing unauthorized access to water within the assembly throughout the differential pressure gradient of the assembly; comprising: a means for locking the valves of the test cocks, a means for lockably securing the test cocks to the backflow prevention assembly body, and a means for preventing cessation of water pressure within the backflow prevention assembly.</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</subject><subject>DEVICES FOR VENTING OR AERATING</subject><subject>DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FIXED CONSTRUCTIONS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>SEWERAGE</subject><subject>SINKS</subject><subject>TAPS</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WATER SUPPLY</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1990</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAMScwtSC1SKCjKz09TSEpMzk7LyS8HclPLUvNKMvPzFBKLi1Nzk3IqeRhY0xJzilN5oTQ3g7yba4izh25qQX58anFBYnJqXmpJfGiwiaWJqaWJgaMxYRUAkdgogg</recordid><startdate>19900807</startdate><enddate>19900807</enddate><creator>STEVENS; ROBERT B</creator><scope>EVB</scope></search><sort><creationdate>19900807</creationdate><title>Tamper proof backflow prevention assembly</title><author>STEVENS; ROBERT B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US4945940A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1990</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</topic><topic>DEVICES FOR VENTING OR AERATING</topic><topic>DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FIXED CONSTRUCTIONS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>SEWERAGE</topic><topic>SINKS</topic><topic>TAPS</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WATER SUPPLY</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>STEVENS; ROBERT B</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>STEVENS; ROBERT B</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Tamper proof backflow prevention assembly</title><date>1990-08-07</date><risdate>1990</risdate><abstract>A testable backflow prevention assembly provided with a means for preventing unauthorized access to water within the assembly throughout the differential pressure gradient of the assembly; comprising: a means for locking the valves of the test cocks, a means for lockably securing the test cocks to the backflow prevention assembly body, and a means for preventing cessation of water pressure within the backflow prevention assembly.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING SEWERAGE SINKS TAPS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL VALVES WATER SUPPLY WEAPONS |
| title | Tamper proof backflow prevention assembly |
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