Assignee
OPERATIONS TECHNOLOGY DEV NFP
US·8 granted patents·79 citations·filing 2004–2010
Top patents by PatentIndex Score
8 records- 0190US7493817B2Underground pipe inspection device and methodOPERATIONS TECHNOLOGY DEV NFP·Filed 2005·Granted Feb 24, 2009·39 cites·14 claims
- 0283US7938007B2Method for inspecting joined material interfacesOPERATIONS TECHNOLOGY DEV NFP·Filed 2008·Granted May 10, 2011·8 cites·12 claims
- 0375US7021868B1Lightweight shoring system for accommodating crossing utilitiesOPERATIONS TECHNOLOGY DEV NFP·Filed 2005·Granted Apr 4, 2006·10 cites·14 claims
- 0474US7886773B2Low pressure directional stop bypass deviceOPERATIONS TECHNOLOGY DEV NFP·Filed 2008·Granted Feb 15, 2011·10 cites·9 claims
- 0573US8358120B2Non-intrusive detection of live electrical linesOPERATIONS TECHNOLOGY DEV NFP·Filed 2010·Granted Jan 22, 2013·3 cites·14 claims
- 0667US7592595B1Wide concentration range gas detectionOPERATIONS TECHNOLOGY DEV NFP·Filed 2006·Granted Sep 22, 2009·3 cites·13 claims
- 0741US7886761B2Non-interruptible meter change out apparatusOPERATIONS TECHNOLOGY DEV NFP·Filed 2006·Granted Feb 15, 2011·2 cites·16 claims
- 0825US7109716B2Soil and time modeling for improved electromagnetic locators for underground utilitiesOPERATIONS TECHNOLOGY DEV NFP·Filed 2004·Granted Sep 19, 2006·4 cites·12 claims
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