Assignee
ENGELHARD ROLF
US·9 granted patents·5 pending applications·240 citations·filing 1993–2018
Top patents by PatentIndex Score
14 records- 0198US5266215AWater purification unitENGELHARD ROLF·Filed 1993·Granted Nov 30, 1993·186 cites·22 claims
- 0294US8734724B2High intensity air purifierENGELHARD ROLF·Filed 2012·Granted May 27, 2014·16 cites·10 claims
- 0391US9855362B2High intensity air purifierENGELHARD ROLF·Filed 2016·Granted Jan 2, 2018·4 cites·8 claims
- 0490US9402931B2High intensity air purifierENGELHARD ROLF·Filed 2014·Granted Aug 2, 2016·9 cites·11 claims
- 0589US8277735B2High intensity air purifierENGELHARD ROLF·Filed 2011·Granted Oct 2, 2012·8 cites·9 claims
- 0681US10449265B2High efficiency ultra-violet reactorENGELHARD ROLF·Filed 2015·Granted Oct 22, 2019·2 cites·19 claims
- 0780US9162903B2Photo-catalyzing fluid mobilizing system and methodENGELHARD ROLF·Filed 2011·Granted Oct 20, 2015·2 cites·4 claims
- 0868US2018126028A1High intensity air purifierENGELHARD ROLF·Filed 2018·Application pending·0 cites
- 0967USD843554SAir purifierENGELHARD ROLF·Filed 2014·Granted Mar 19, 2019·13 cites·1 claims
- 1063US2017035926A1Photo-catalyzing fluid mobilizing systema nd methodENGELHARD ROLF·Filed 2016·Application pending·0 cites
- 1161US9408937B2Photo-catalyzing fluid mobilizing system and methodENGELHARD ROLF·Filed 2015·Granted Aug 9, 2016·0 cites·12 claims
- 1254US2008008632A1Pressurized uv/o3 water purification systemENGELHARD ROLF·Filed 2006·Application pending·0 cites
- 1353US2011247972A1Pressurized UV/O3 Water Purification SystemENGELHARD ROLF·Filed 2010·Application pending·0 cites
- 1444US2017080373A1Air purification systemENGELHARD ROLF·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when ENGELHARD ROLF files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →