Assignee
LEWIS BOLT & NUT COMPANY
US·9 granted patents·35 citations·filing 2001–2024
Top patents by PatentIndex Score
9 records- 0183US6471140B2Rail anchoring spikeLEWIS BOLT & NUT COMPANY·Filed 2001·Granted Oct 29, 2002·17 cites·32 claims
- 0280US12006638B2Rail anchoring spikeLEWIS BOLT & NUT COMPANY·Filed 2020·Granted Jun 11, 2024·2 cites·72 claims
- 0376US6808120B2Rail anchoring spikeLEWIS BOLT & NUT COMPANY·Filed 2002·Granted Oct 26, 2004·12 cites·38 claims
- 0470US12258717B2Rail anchoring spikeLEWIS BOLT & NUT COMPANY·Filed 2024·Granted Mar 25, 2025·0 cites·19 claims
- 0564US9605385B2Rail anchorLEWIS BOLT & NUT COMPANY·Filed 2015·Granted Mar 28, 2017·0 cites·7 claims
- 0660US9512573B2Bridge tie fastener systemLEWIS BOLT & NUT COMPANY·Filed 2014·Granted Dec 6, 2016·3 cites·40 claims
- 0752US7849580B2Articles and methods for installing hook boltsLEWIS BOLT & NUT COMPANY·Filed 2007·Granted Dec 14, 2010·1 cites·14 claims
- 0846US12577734B2Rail anchoring spikeLEWIS BOLT & NUT COMPANY·Filed 2021·Granted Mar 17, 2026·0 cites·9 claims
- 0936US10392758B2Bridge tie fastener systemLEWIS BOLT & NUT COMPANY·Filed 2017·Granted Aug 27, 2019·0 cites·22 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →