Inventor

Timothy S. Keizer

Inventor
Aurora, IL, US

Overview

6→
Patents
2012–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 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 sludge18%
B82YSpecific uses or applications of nanostructures9%
C01BNon-metallic elements9%
C07BGeneral methods of organic chemistry9%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium9%
E21BEarth or rock drilling9%
Y10TTechnical subjects covered by former us classification9%
B01DSeparation5%
C10GCracking hydrocarbon oils5%
C11DDetergent compositions5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2013Patents assigned to CUI JI (2)· patent assignee history
2012–2013Patents assigned to HOLLAND BRIAN T (2)· patent assignee history
2012–2013Patents assigned to KEIZER TIMOTHY S (2)· patent assignee history
2012–2013Patents assigned to NALCO CO (2)· patent assignee history
2012–2020Based in Aurora, IL, US· patent location history
2016–2020Patents assigned to ECOLAB USA INC (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ECOLAB USA INC42016–2020
CUI JI22012–2013
HOLLAND BRIAN T22012–2013
KEIZER TIMOTHY Sself22012–2013
NALCO CO22012–2013
Locations
LocationPatentsSpan
Aurora, Illinois, US62012–2020