Assignee
HEADWATERS INC
US·10 granted patents·5 pending applications·45 citations·filing 2004–2022
Top patents by PatentIndex Score
15 records- 0192US9737895B2Personal rechargeable portable ionic air purifierHEADWATERS INC·Filed 2015·Granted Aug 22, 2017·6 cites·18 claims
- 0289US11958060B2Personal rechargeable portable ionic air purifierHEADWATERS INC·Filed 2021·Granted Apr 16, 2024·1 cites·6 claims
- 0377US11040354B2Personal rechargeable portable ionic air purifierHEADWATERS INC·Filed 2018·Granted Jun 22, 2021·1 cites·3 claims
- 0475US7215526B2Ion generator with open emitter and safety featureHEADWATERS INC·Filed 2005·Granted May 8, 2007·10 cites·13 claims
- 0565US9694154B2Sound machine with pseudo random white noise generatorHEADWATERS INC·Filed 2013·Granted Jul 4, 2017·3 cites·6 claims
- 0665US7244290B2Electrostatic room air cleanerHEADWATERS INC·Filed 2004·Granted Jul 17, 2007·13 cites·12 claims
- 0762US7780934B2Method and system for reducing ammonia slip after selective reduction of NOxHEADWATERS INC·Filed 2005·Granted Aug 24, 2010·2 cites·8 claims
- 0860US2024216928A1Personal rechargeable portable ionic air purifierHEADWATERS INC·Filed 2022·Application pending·0 cites
- 0954US2021394202A1Ionizers having carbon nanotube ion emitting headsHEADWATERS INC·Filed 2021·Application pending·0 cites
- 1051USD906504SPersonal rechargeable portable ionic air purifierHEADWATERS INC·Filed 2018·Granted Dec 29, 2020·5 cites·1 claims
- 1151US2024041232A1Pillow sound systemHEADWATERS INC·Filed 2022·Application pending·0 cites
- 1243US2014275741A1System and method providing all-night sleep managementHEADWATERS INC·Filed 2013·Application pending·0 cites
- 1341USD548316SFilter drawerHEADWATERS INC·Filed 2005·Granted Aug 7, 2007·4 cites·1 claims
- 1438US2008076955A1Method and System for Pre-Treating Fly AshHEADWATERS INC·Filed 2005·Application pending·0 cites
- 1528USD1042416SPillow sound systemHEADWATERS INC·Filed 2022·Granted Sep 17, 2024·0 cites·1 claims
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