Inventor

John A. Krogue

Inventor
Mineral Wells, TX, US

Overview

19→
Patents
1999–2017
Patent span
Performing operations
Primary field (CPC B)

Patents· 19 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Dprimary
B01DSeparation33%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry15%
B82YSpecific uses or applications of nanostructures15%
C02FTreatment of water, waste water, sewage, or sludge15%
Y10TTechnical subjects covered by former us classification7%
B29CShaping or joining of plastics2%
B29LIndexing scheme associated with subclass b29c, relating to particular articles2%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids2%
F16JPistons2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2017Based in Mineral Wells, TX, US· patent location history
2001–2013Patents assigned to PERRY EQUIPMENT CORP (16)· patent assignee history
2011–2017Patents assigned to KROGUE JOHN A (7)· patent assignee history
2011–2013Patents assigned to CLOUD DAN (3)· patent assignee history
2012Patents assigned to CLOUD DANIEL (1)· patent assignee history
2017Patents assigned to CLARCOR INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PERRY EQUIPMENT CORP162001–2013
KROGUE JOHN Aself72011–2017
CLOUD DAN32011–2013
CLARCOR INC12017
CLOUD DANIEL12012
Locations
LocationPatentsSpan
Mineral Wells, Texas, US191999–2017