Inventor
William A. Von Drasek
Inventor
Oak Forest, IL, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties26%
D21GCalenders7%
B01DSeparation5%
D21FPaper-making machines5%
B31FMechanical working or deformation of paper, cardboard or material worked in a manner analogous to paper3%
C02FTreatment of water, waste water, sewage, or sludge3%
G01BMeasuring length, thickness or similar linear dimensions3%
G01DMeasuring not specially adapted for a specific variable3%
G06NComputing arrangements based on specific computational models3%
G06TImage data processing or generation, in general3%
PatentTitleYear
10,765,999Treatment of industrial water systems202010,604,896Method for early warning chatter detection and asset protection management202010,598,574Control of industrial water treatment via digital imaging202010,590,007Control of industrial water treatment via digital imaging202010,481,127Apparatus for, system for and methods of maintaining sensor accuracy20199,851,199Method and apparatus to monitor and control sheet characteristics on a creping process20179,772,303'Apparatus for, system for and methods of maintaining sensor accuracy'20179,562,861'Method of monitoring macrostickies in a recycling and paper or tissue making process involving recycled pulp'20179,404,895'Method for early warning chatter detection and asset protection management'20169,388,530'Method and apparatus for monitoring and controlling the application of performance enhancing materials to creping cylindersto improve process'20168,958,898'Method and apparatus to monitor and control sheet characteristics on a creping process'20158,691,323'Method and apparatus for monitoring and controlling the application of performance enhancing materials to creping cylinders'20147,683,357'Dynamic laser power control for gas species monitoring'20107,569,093'Filtering particulate materials in continuous emission monitoring systems'20097,409,117'Dynamic laser power control for gas species monitoring'20087,244,936'Chemical species detection including a multisection laser for improved process monitoring'20077,022,992'Method and apparatus for real-time monitoring of furnace flue gases'20067,005,645'Apparatus and methods for launching and receiving a broad wavelength range source'20066,943,886'Method for enhanced gas monitoring in high particle density flow streams'20056,859,766'Indirect gas species monitoring using tunable diode lasers'20055,897,847'Method for extending the gas lifetime of excimer lasers'19995,743,723'Oxy-fuel burner having coaxial fuel and oxidant outlets'19985,063,035'Enhanced performance of alumina for the removal of low-level fluorine from gas streams'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2010Patents assigned to AIR LIQUIDE AMERICAN (9)· patent assignee history
1991Based in Burbank, IL, US· patent location history
1998–2020Based in Oak Forest, IL, US· patent location history
2006–2010Patents assigned to PHYSICAL SCIENCES INC (3)· patent assignee history
2014–2017Patents assigned to NALCO CO (6)· patent assignee history
2014–2017Patents assigned to VON DRASEK WILLIAM A (4)· patent assignee history
2017–2020Patents assigned to ECOLAB USA INC (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AIR LIQUIDE AMERICAN | 9 | 1991–2010 |
| ECOLAB USA INC | 7 | 2017–2020 |
| NALCO CO | 6 | 2014–2017 |
| VON DRASEK WILLIAM Aself | 4 | 2014–2017 |
| PHYSICAL SCIENCES INC | 3 | 2006–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oak Forest, Illinois, US | 22 | 1998–2020 |
| Burbank, Illinois, US | 1 | 1991 |