Inventor
Owen P. Ward
Inventor
Waterloo, CA
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge25%
C05FOrganic fertilisers not covered by subclasses c05b, c05c, e.g. fertilisers from waste or refuse13%
Y02ATechnologies for adaptation to climate change13%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management13%
B09CReclamation of contaminated soil6%
C10GCracking hydrocarbon oils6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
B01FMixing, e.g. dissolving, emulsifying or dispersing3%
C05CNitrogenous fertilisers3%
PatentTitleYear
10,196,293Procedure for stabilizing high pH levels in biosolids-containing processed sewage product20199,504,969'Shearing fibrous bio-sludge'20169,260,322'Sludge treatment system'20169,139,483'Contaminant-free fertilizer from liquidized sewage sludge'20158,349,184'Lowering viscosity of biosolids'20138,011,605'Liquefying de-watered sludge preparatory to drying'20117,736,511'Feedback system for enhancing elimination of biomass in sewage sludge'20106,808,636'Treatment of sewage sludge'20046,652,752'Biodegradation of oil sludge'20036,251,058'Treatment of soil contaminated with hazardous residues'20016,171,500'Biological process for breaking oil-water emulsions'20016,153,017'Treatment of soil contaminated with oil or oil residues'20005,559,692'Customizable data gathering method which allows the user to define the classes of data which are gathered'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996Based in Boulder, CO, US· patent location history
2000–2001Patents assigned to PETROZYME TECHNOLOGIES INC (3)· patent assignee history
2000–2019Based in Waterloo, CA· patent location history
2004–2016Patents assigned to LYSTEK INTERNAT INC (5)· patent assignee history
2013–2016Patents assigned to SINGH AJAY (4)· patent assignee history
2015–2016Patents assigned to WARD OWEN PATRICK (3)· patent assignee history
2016–2019Patents assigned to LYSTEK INT INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LYSTEK INTERNAT INC | 5 | 2004–2016 |
| SINGH AJAY | 4 | 2013–2016 |
| PETROZYME TECHNOLOGIES INC | 3 | 2000–2001 |
| WARD OWEN PATRICKself | 3 | 2015–2016 |
| LYSTEK INT INC | 2 | 2016–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Waterloo, CA | 12 | 2000–2019 |
| Boulder, CO, US | 1 | 1996 |