Inventor

Libardo A. Perez

Inventor
Morrisville, PA, US

Overview

17→
Patents
1993–2011
Patent span
Chemistry
Primary field (CPC C)

Patents· 17 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 sludge41%
C23FNon-mechanical removal of metallic material from surface28%
C07CAcyclic or carbocyclic compounds13%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
D21HPulp compositions5%
C22BProduction and refining of metals3%
Y02PClimate change mitigation technologies in the production or processing of goods3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1996Patents assigned to BETZ LABORATORIES (12)· patent assignee history
1993–2007Based in Morrisville, PA, US· patent location history
1996–1999Patents assigned to BETZDEARBORN INC (3)· patent assignee history
2007Patents assigned to GE BETZ INC (1)· patent assignee history
2011Patents assigned to GEN ELECTRIC (1)· patent assignee history
2011Based in The Woodlands, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BETZ LABORATORIES121993–1996
BETZDEARBORN INC31996–1999
GE BETZ INC12007
GEN ELECTRIC12011
Locations
LocationPatentsSpan
Morrisville, Pennsylvania, US161993–2007
The Woodlands, Texas, US12011