Inventor · disambiguated record
Thomas H. Happel
Also filed as: HAPPEL THOMAS · HAPPEL THOMAS H
22 granted patents·5 pending applications·591 citations·filing 1987–2022
96Inventor score
Top patents by PatentIndex Score
27 records- 0198US7294256B2Storm water filter systemHAPPEL HENRY·Filed 2005·Granted Nov 13, 2007·96 cites·7 claims
- 0297US10260222B1Inline bioremediation liquid treatment systemHAPPEL THOMAS H·Filed 2017·Granted Apr 16, 2019·11 cites·16 claims
- 0397US7959799B2Street curb filter basket systemHAPPEL HENRY·Filed 2005·Granted Jun 14, 2011·61 cites·9 claims
- 0496US7270747B2Storm water drain systemHAPPEL HENRY·Filed 2006·Granted Sep 18, 2007·51 cites·2 claims
- 0594US10183240B1Nutrient removal filtration system and methodHAPPEL THOMAS·Filed 2016·Granted Jan 22, 2019·15 cites·16 claims
- 0694US9340965B2Storm water vault having an articulated floating screen filter systemHAPPEL THOMAS H·Filed 2013·Granted May 17, 2016·13 cites·15 claims
- 0794US8034236B1Storm water filter system having a floating skimmer apparatusHAPPEL THOMAS H·Filed 2009·Granted Oct 11, 2011·27 cites·19 claims
- 0893US10794051B1Inline bioremediation liquid treatment systemSUNTREE TECH HOLDINGS LLC·Filed 2019·Granted Oct 6, 2020·4 cites·12 claims
- 0993US8231780B2Floating skimmer and filter apparatusHAPPEL THOMAS H·Filed 2010·Granted Jul 31, 2012·16 cites·12 claims
- 1093US8051568B2Grate cover apparatus and methodMOODY GARY L·Filed 2007·Granted Nov 8, 2011·49 cites·5 claims
- 1193US4738644AOutboard motor attachment and methodHAPPEL THOMAS·Filed 1987·Granted Apr 19, 1988·52 cites·12 claims
- 1292US11499305B2Inline bioremediation liquid treatment systemOLDCASTLE INFRASTRUCTURE INC·Filed 2020·Granted Nov 15, 2022·2 cites·28 claims
- 1392US11253798B2Nutrient removal filtration system and methodOLDCASTLE INFRASTRUCTURE INC·Filed 2020·Granted Feb 22, 2022·4 cites·19 claims
- 1492US8216453B2Grate cover apparatusMOODY GARY L·Filed 2011·Granted Jul 10, 2012·36 cites·10 claims
- 1591US8034234B2Floating skimmer apparatus with up-flow filterHAPPEL THOMAS H·Filed 2009·Granted Oct 11, 2011·23 cites·12 claims
- 1691US7846327B2Storm water filter system having a floating skimmer apparatusHAPPEL HENRY·Filed 2008·Granted Dec 7, 2010·34 cites·12 claims
- 1790US8034237B2Backwashing filter basketHAPPEL HENRY·Filed 2008·Granted Oct 11, 2011·32 cites·5 claims
- 1886US7785464B2Flocculate dosing trayHAPPEL THOMAS H·Filed 2008·Granted Aug 31, 2010·11 cites·10 claims
- 1985US6979148B2Golf course green storm water filterHAPPEL HENRY·Filed 2004·Granted Dec 27, 2005·29 cites·4 claims
- 2083US8083937B2Floating baffle panel and filter apparatusHAPPEL THOMAS H·Filed 2009·Granted Dec 27, 2011·21 cites·13 claims
- 2177US10287768B1Stormwater vault apparatus and methodHAPPEL THOMAS H·Filed 2017·Granted May 14, 2019·4 cites·18 claims
- 2274US2022134258A1Nutrient Removal Filtration System and MethodOLDCASTLE INFRASTRUCTURE INC·Filed 2022·Application pending·0 cites
- 2356US2014352729A1Stormwater vault apparatus and servicing processHAPPEL THOMAS H·Filed 2014·Application pending·0 cites
- 2450US10166577B2Stormwater vault servicing processHAPPEL THOMAS H·Filed 2017·Granted Jan 1, 2019·0 cites·9 claims
- 2543US2011168612A1Storm water filter basket with floating bypass panelsHAPPEL THOMAS H·Filed 2011·Application pending·0 cites
- 2641US2003175079A1Golf course green storm water filterFiled 2003·Application pending·0 cites
- 2741US2002114271A1Restoring an interrupted switched connectionFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →