Inventor

William H. Hawthorne

Inventor

Thornton, CO, US

Overview

1994–2006

Patent span

Chemistry

Primary field (CPC C)

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

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%

C02FTreatment of water, waste water, sewage, or sludge17%

C10GCracking hydrocarbon oils17%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact17%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application17%

Y10TTechnical subjects covered by former us classification17%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to HAWTHORNE TREATMENT SYSTEMS IN (1)· patent assignee history

1994–2006Based in Thornton, CO, US· patent location history

2006Patents assigned to RENTECH INC (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HAWTHORNE TREATMENT SYSTEMS IN	1	1994
RENTECH INC	1	2006

Locations

Location	Patents	Span
Thornton, CO, US	2	1994–2006