HOWELL CORP

Overview

About

HOWELL CORP has a total of 11 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets transport, electrical machinery and energy and packaging and shipping are DAUPHINOISE ELECTR SOC, BRECKNELL WILLIS & CO LTD and KOTSU SYST KIKAKU KK.

Patent filings in countries

#	Country	Total Patents
#1	United States	6
#2	Australia	2
#3	WIPO (World Intellectual Property Organization)	2
#4	Canada	1

#	Industry
#1	Transport
#2	Electrical machinery and energy
#3	Packaging and shipping

#	Technology
#1	Power supply for electric vehicles
#2	Electrical vehicle propulsion
#3	Cranes
#4	Installation of electric cables
#5	Electrically-conductive connections

Publication	Filing date	Title
US6006876A	1997-10-08	Duplex electrical collector shoe
US5676224A	1996-03-18	Electrical collector shoe assembly
US5605209A	1995-12-19	Composite electrical conductor rail
US5373926A	1993-08-30	Insulated rail electrification system
US3525823A	1968-05-14	Electrical collector for conductor rails
US3506099A	1968-01-18	Conductor bars for trolley systems