Assignee
EST GROUP INC
US·9 granted patents·2 pending applications·192 citations·filing 1995–2025
Top patents by PatentIndex Score
11 records- 0190US5797431AInner diameter pipe plugEST GROUP INC·Filed 1997·Granted Aug 25, 1998·113 cites·20 claims
- 0282US9823155B2Test plug for a pipe elbowEST GROUP INC·Filed 2015·Granted Nov 21, 2017·5 cites·15 claims
- 0380US9664588B2Gripper for test and isolation plugsEST GROUP INC·Filed 2014·Granted May 30, 2017·9 cites·18 claims
- 0478US11965619B2Heat exchanger tube plug installationEST GROUP INC·Filed 2023·Granted Apr 23, 2024·0 cites·13 claims
- 0575US5676174AOuter diameter pipe plugEST GROUP INC·Filed 1995·Granted Oct 14, 1997·52 cites·24 claims
- 0669US11788663B2Heat exchanger tube plug installationEST GROUP INC·Filed 2021·Granted Oct 17, 2023·0 cites·10 claims
- 0766US10488295B2Pneumatic test gun with self-actuating restraining elementsEST GROUP INC·Filed 2017·Granted Nov 26, 2019·1 cites·14 claims
- 0861US2025389607A1Low marking gripper for a hydrostatic test and isolation plugEST GROUP INC·Filed 2025·Application pending·0 cites
- 0960US6675634B2Branch pipe/tank nozzle test plug and method of useEST GROUP INC·Filed 2002·Granted Jan 13, 2004·12 cites·28 claims
- 1054US11448352B1Plug assemblyEST GROUP INC·Filed 2021·Granted Sep 20, 2022·0 cites·8 claims
- 1130US2010083738A1Test Plug and Method for Monitoring Downstream ConditionsEST GROUP INC·Filed 2007·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →