Inventor · disambiguated record
Nathan T. Sigman
Also filed as: SIGMAN NATHAN T
4 granted patents·29 citations·filing 2011–2012
75Inventor score
Top patents by PatentIndex Score
4 records- 0186US9214271B2Method of providing arc-resistant dry type transformer enclosureABB INC·Filed 2012·Granted Dec 15, 2015·7 cites·5 claims
- 0286US8492662B2Arc-resistant dry type transformer enclosure having arc fault damper apparatusBALLARD ROBERT C·Filed 2011·Granted Jul 23, 2013·10 cites·10 claims
- 0383US8456838B2Arc-resistant dry type transformer enclosure having arc channelsBALLARD ROBERT C·Filed 2011·Granted Jun 4, 2013·7 cites·12 claims
- 0471US8375566B2Method of providing arc-resistant dry type transformer enclosureABB INC·Filed 2011·Granted Feb 19, 2013·5 cites·12 claims
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