Inventor
Joe L. Schwartz
Inventor
Aurora, IL, US
Overview
Patents· 7 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 properties27%
Y10TTechnical subjects covered by former us classification20%
B01FMixing, e.g. dissolving, emulsifying or dispersing13%
B01LChemical or physical laboratory apparatus for general use7%
B08BCleaning in general7%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments7%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
G07CTime or attendance registers7%
H04WWireless communication networks7%
PatentTitleYear
10,779,110Methods and systems for mobile entry using an access control device power management system202010,317,385Calibration method for water hardness measurement201910,197,824Method of obtaining or maintaining optical transmittance into deaerated liquid201910,078,073Multi-compartment package20188,956,875'Water hardness monitoring via fluorescence'20157,479,490'Pellet for a presurrized pipeline'20096,901,945'System for feeding solid materials to a pressurized pipeline'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2009Patents assigned to NALCO CO (2)· patent assignee history
2005–2019Based in Aurora, IL, US· patent location history
2015–2019Patents assigned to ECOLAB USA INC (4)· patent assignee history
2020Patents assigned to HYATT CORP (1)· patent assignee history
2020Based in Chicago, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ECOLAB USA INC | 4 | 2015–2019 |
| NALCO CO | 2 | 2005–2009 |
| HYATT CORP | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aurora, Illinois, US | 6 | 2005–2019 |
| Chicago, Illinois, US | 1 | 2020 |