Inventor · disambiguated record
Dennis Patrick Mcandrews
Also filed as: MCANDREWS DENNIS · MCANDREWS DENNIS PATRICK
14 granted patents·19 citations·filing 2010–2022
86Inventor score
Top patents by PatentIndex Score
14 records- 0186US9205391B2Device for injecting gas into the tubes of a chemical reactorJOHNS CLIFFORD L·Filed 2012·Granted Dec 8, 2015·6 cites·4 claims
- 0285US11590471B2Device and method for loading pellets into reactor tubesTUBEMASTER INC·Filed 2020·Granted Feb 28, 2023·1 cites·10 claims
- 0374US8752291B2Method for marking tubes in a shell and tube heat exchangerJOHNS CLIFFORD L·Filed 2011·Granted Jun 17, 2014·2 cites·16 claims
- 0472US12350677B2Device for loading pellets into reactor tubesTUBEMASTER INC·Filed 2022·Granted Jul 8, 2025·0 cites·8 claims
- 0571US8752912B1Carrying case conversion to deskJOHNS CLIFFORD L·Filed 2012·Granted Jun 17, 2014·7 cites·8 claims
- 0668US9138710B2Device for unloading catalyst from a reactor vesselJOHNS CLIFFORD L·Filed 2012·Granted Sep 22, 2015·1 cites·6 claims
- 0765US9149778B2Device and method for dispensing catalyst pelletsEXTUNDO INC·Filed 2013·Granted Oct 6, 2015·1 cites·19 claims
- 0862US8646492B2Device for loading catalyst into a reactor vesselJOHNS CLIFFORD L·Filed 2011·Granted Feb 11, 2014·1 cites·16 claims
- 0957US11660579B2Air lance for removing pellets from tubesTUBEMASTER INC·Filed 2021·Granted May 30, 2023·0 cites·20 claims
- 1055US11406955B2Air lance for removing pellets from a tubeTUBEMASTER INC·Filed 2020·Granted Aug 9, 2022·0 cites·17 claims
- 1153US12228356B2Device for cleaning inner surface of heat exchanger tubesTUBEMASTER INC·Filed 2021·Granted Feb 18, 2025·0 cites·12 claims
- 1252US10493417B2Method for loading pelletsTUBEMASTER INC·Filed 2018·Granted Dec 3, 2019·0 cites·14 claims
- 1344US9138709B2Device and method for dispensing pelletsJOHNS CLIFFORD L·Filed 2012·Granted Sep 22, 2015·0 cites·6 claims
- 1439US8562270B1Loading arrangement including a dam for confining catalyst and other particles on the top tubesheet of a chemical reactorJOHNS CLIFFORD L·Filed 2010·Granted Oct 22, 2013·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →