Inventor

Daniel L. Michalopoulos

Inventor
Jacksonville, FL, US

Overview

10→
Patents
1989–2000
Patent span
Textiles
Primary field (CPC D)

Patents· 10 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 sludge28%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests24%
D21HPulp compositions14%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials10%
D21FPaper-making machines10%
A01NPreservation of bodies of humans or animals or plants or parts thereof7%
C23FNon-mechanical removal of metallic material from surface3%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to BETZ LABORATORIES (2)· patent assignee history
1989–2000Based in Jacksonville, FL, US· patent location history
1991Patents assigned to BETZ PANERCHEM INC (1)· patent assignee history
1996–1998Patents assigned to BETZDEARBORN INC (6)· patent assignee history
2000Patents assigned to HERCULES INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BETZDEARBORN INC61996–1998
BETZ LABORATORIES21989
BETZ PANERCHEM INC11991
HERCULES INC12000
Locations
LocationPatentsSpan
Jacksonville, Florida, US101989–2000