Inventor

Bruce A. Harbolt

Inventor

Northridge, CA, US

Overview

13→

Patents

1976–1991

Patent span

Chemistry

Primary field (CPC C)

Patents· 13 as inventor

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

C01Bprimary

C01BNon-metallic elements21%

B01FMixing, e.g. dissolving, emulsifying or dispersing14%

A01CPlanting7%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%

C05CNitrogenous fertilisers7%

C05GMixtures of fertilisers covered individually by different subclasses of class c057%

C07CAcyclic or carbocyclic compounds7%

Y10TTechnical subjects covered by former us classification7%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers4%

B67DDispensing, delivering or transferring liquids, not otherwise provided for4%

PatentTitleYear

5,069,352'Transportable cargo container'1991 5,033,494'Process for the volumetric transfer of liquids'1991 4,966,736'Process for preparing sulfur having uniform particle size distribution'1990 4,962,283'Single pass continuous urea-sulfuric acid process'1990 4,863,645'Apparatus and process for producing particulate sulfur'1989 4,752,452'Aqueous ammonia process and mixing apparatus therefor'1988 4,710,360'Apparatus for dissolving urea and other endothermic materials'1987 4,705,432'Apparatus for preparing sulfur particles having uniform size distribution'1987 4,610,714'Apparatus and method for dissolving urea and other endothermic materials'1986 4,595,350'Process and apparatus for preparing sulfur having uniform particle size distribution'1986 4,528,919'Multi-phase fluid flow divider'1985 4,011,300'Method of producing ammonium polyphosphate'1977 3,949,058'Production of ammonium polyphosphates'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1991Patents assigned to UNION OIL CO (13)· patent assignee history

1976–1991Based in Northridge, CA, US· patent location history

1986Based in Northride, CA, US· patent location history

1990Based in Hacienda Heights, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNION OIL CO	13	1976–1991

Locations

Location	Patents	Span
Northridge, California, US	11	1976–1991
Hacienda Heights, California, US	1	1990
Northride, California, US	1	1986