Assignee

KEYSPAN ENERGY

US·2 granted patents·37 citations·filing 1997–2003

Technology mixB25H1 F16K1 G05D1 Y10T1

Top patents by PatentIndex Score

2 records

0171US6923197B2Pressure regulator with tamper-proof safety featureKEYSPAN ENERGY·Filed 2003·Granted Aug 2, 2005·17 cites·21 claims
0243US6050345AErgonomic tool with lift assist mechanismKEYSPAN ENERGY·Filed 1997·Granted Apr 18, 2000·20 cites·4 claims

Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →