Inventor · disambiguated record
Daniel D. Sympson
Also filed as: SYMPSON DANIEL D
14 granted patents·1 pending application·113 citations·filing 2002–2014
92Inventor score
Top patents by PatentIndex Score
15 records- 0192US7836919B2Device for loading chemical reactor tubesTUBEMASTER INC·Filed 2006·Granted Nov 23, 2010·21 cites·9 claims
- 0288US7913543B2Method of using a device for measuring the back pressure in chemical reactor tubesTUBEMASTER INC·Filed 2005·Granted Mar 29, 2011·7 cites·5 claims
- 0386US6981404B2Device and method for use with chemical reactor tubesTUBEMASTER INC·Filed 2004·Granted Jan 3, 2006·18 cites·20 claims
- 0484US7673496B2Device for measuring back pressure in chemical reactor tubesTUBEMASTER INC·Filed 2008·Granted Mar 9, 2010·4 cites·5 claims
- 0583US6725706B2Device and method for blowing down and measuring the back pressure of chemical reactor tubesTUBEMASTER INC·Filed 2002·Granted Apr 27, 2004·25 cites·20 claims
- 0682US7458401B2Method for loading reactor tubesTUBEMASTER INC·Filed 2007·Granted Dec 2, 2008·5 cites·1 claims
- 0779US7878225B2Vacuum attachment and methodTUBEMASTER INC·Filed 2007·Granted Feb 1, 2011·5 cites·12 claims
- 0877US7861875B2Seal for tubeTUBEMASTER INC·Filed 2008·Granted Jan 4, 2011·6 cites·8 claims
- 0977US7285251B2Tool for loading reactor tubesTUBEMASTER INC·Filed 2003·Granted Oct 23, 2007·14 cites·12 claims
- 1066US7818995B2Device for measuring back pressure in open-ended chemical reactor tubesTUBEMASTER INC·Filed 2008·Granted Oct 26, 2010·3 cites·18 claims
- 1164US7748255B2Method for assessing chemical reactor tubesTUBEMASTER INC·Filed 2008·Granted Jul 6, 2010·0 cites·8 claims
- 1262US9500631B2Device for testing vertical tubes in a chemical reactorExtundo Incorporated·Filed 2014·Granted Nov 22, 2016·0 cites·2 claims
- 1360US2012123731A1Method for treating vertical tubes in a chemical reactorJOHNS CLIFFORD L·Filed 2012·Application pending·0 cites
- 1447US8753452B2Method for treating vertical tubes in a chemical reactorJOHNS CLIFFORD L·Filed 2008·Granted Jun 17, 2014·0 cites·4 claims
- 1542USD539441STile surfaceTUBEMASTER INC·Filed 2005·Granted Mar 27, 2007·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →