Individual holder
SULLIVAN HENRY W
US·2 granted patents·1 pending application·23 citations·filing 1992–2009
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0153US7714056B2Railroad tie and method for making sameSULLIVAN HENRY W·Filed 2004·Granted May 11, 2010·2 cites·8 claims
- 0248US5366365AMeans for controlling feedstock compaction in forming flexible porous pipes of controlled pore sizeSULLIVAN HENRY W·Filed 1992·Granted Nov 22, 1994·21 cites·6 claims
- 0342US2010194533A1Method and apparatus for encoding railroad ties and other railroad track componentsSULLIVAN HENRY W·Filed 2009·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →