GESTRA GMBH

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Patent Activity in the Last 10 Years

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D421091 Valve housing and capJun 05, 98Feb 22, 00[2301]
D407146 Combined valve housing and capJun 05, 98Mar 23, 99[2301]
D383401 Housing for#electrical measuring, monitoring, regulating and controlling instrumentsFeb 22, 96Sep 09, 97[1004]
D383403 Housing for electrical measuring, monitoring, regulating and controlling instrumentsFeb 22, 96Sep 09, 97[1004]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5810327 Shutoff valve with spring-loaded valve diskExpiredMar 14, 96Sep 22, 98[F16K]
5805052 Cable system for signal transmissionExpiredOct 28, 96Sep 08, 98[H04M]
5069247 Condensate drain with monitor deviceExpiredJan 03, 91Dec 03, 91[F16K]
4997069 Electromotive drive for a control elementExpiredAug 30, 89Mar 05, 91[F16K, F16H]
4706699 Steam trapExpiredNov 12, 86Nov 17, 87[F16T]
4586655 Steam trap with thermal control element and method of assembling said trapExpiredDec 05, 84May 06, 86[F16T]
4561588 Bimetallically controlled steam trapExpiredApr 10, 84Dec 31, 85[F16T]
4356964 Thermic control elementExpiredJul 09, 81Nov 02, 82[F16T]

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