Assignee
JOHNSON DENNIS E J
16 granted patents·315 citations·filing 1981–2020
Top patents by PatentIndex Score
16 records- 0195US10519047B2Process and system for production of synthesis gasJOHNSON DENNIS E J·Filed 2011·Granted Dec 31, 2019·10 cites·13 claims
- 0293US8197698B2Methods for removing impurities from waterJOHNSON DENNIS E J·Filed 2011·Granted Jun 12, 2012·9 cites·19 claims
- 0391US4563286ASystem of ionized oxygen allotrope gas water purification and method and apparatus thereforJOHNSON DENNIS E J·Filed 1984·Granted Jan 7, 1986·65 cites·24 claims
- 0489US4655933ASystem of ionized oxygen allotrope gas water purification and method and apparatus thereforJOHNSON DENNIS E J·Filed 1985·Granted Apr 7, 1987·72 cites·17 claims
- 0581US4382866AElectro-chemical system for liquid filtrationJOHNSON DENNIS E J·Filed 1981·Granted May 10, 1983·40 cites·14 claims
- 0680US4562014AMethod and device for in-line mass dispersion transfer of a gas flow into a liquid flowJOHNSON DENNIS E J·Filed 1984·Granted Dec 31, 1985·40 cites·15 claims
- 0768USD275513SCombination liquid flow conducting transparent canister and cross tube assembly for liquid filtersJOHNSON DENNIS E J·Filed 1981·Granted Sep 11, 1984·10 cites·1 claims
- 0867USD273695SWater purification ionic gas generatorJOHNSON DENNIS E J·Filed 1982·Granted May 1, 1984·10 cites·1 claims
- 0966USD653760SVapor ion plasma generatorJOHNSON DENNIS E J·Filed 2010·Granted Feb 7, 2012·14 cites·1 claims
- 1062USD273412SWater purification ionic gas generatorJOHNSON DENNIS E J·Filed 1982·Granted Apr 10, 1984·8 cites·1 claims
- 1159US4491551AMethod and device for in-line mass dispersion transfer of a gas flow into a liquid flowJOHNSON DENNIS E J·Filed 1982·Granted Jan 1, 1985·18 cites·5 claims
- 1255USD273697SCombination filter and ionic gas generator assembly for purifying machine tool coolantsJOHNSON DENNIS E J·Filed 1982·Granted May 1, 1984·6 cites·1 claims
- 1355USD273696SWater purification ionic gas generatorJOHNSON DENNIS E J·Filed 1982·Granted May 1, 1984·6 cites·1 claims
- 1447USD1004049SReactor tankJOHNSON DENNIS E J·Filed 2020·Granted Nov 7, 2023·1 cites·1 claims
- 1543USD273694SWater purification ionic gas generatorJOHNSON DENNIS E J·Filed 1982·Granted May 1, 1984·3 cites·1 claims
- 1643USD273411SWater purification ionic gas generatorJOHNSON DENNIS E J·Filed 1982·Granted Apr 10, 1984·3 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →