Assignee
UNDERWRITERS LAB INC
US·3 granted patents·241 citations·filing 1995–2008
Top patents by PatentIndex Score
3 records- 0193US5638003AMethod and apparatus for testing surface breakdown of dielectric materials caused by electrical trackingUNDERWRITERS LAB INC·Filed 1995·Granted Jun 10, 1997·217 cites·26 claims
- 0255US7894066B2Method and apparatus for carrying out a burning test on a test pieceUNDERWRITERS LAB INC·Filed 2008·Granted Feb 22, 2011·3 cites·39 claims
- 0350US5944592ASharpener apparatusUNDERWRITERS LAB INC·Filed 1997·Granted Aug 31, 1999·21 cites·9 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →