GRAND PRIX SILENCERS BV

Overview

About

GRAND PRIX SILENCERS BV has a total of 22 patent applications. Its first patent ever was published in 1989. It filed its patents most often in EPO (European Patent Office), Netherlands and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machine tools, environmental technology and mechanical elements are LACO SA, SAKAMOTO KOGYO KK and UMEX KK.

Patent filings in countries

#	Country	Total Patents
#1	EPO (European Patent Office)	5
#2	Netherlands	4
#3	WIPO (World Intellectual Property Organization)	4
#4	Australia	2
#5	Poland	2
#6	United States	2
#7	Czechia	1
#8	Japan	1
#9	Portugal	1

#	Technology
#1	Punching metal
#2	Gas-flow silencers for machines
#3	Pipes

#	Name	Total Patents
#1	Grobbenhaar Hermanus Gerhardus	16
#2	Grobbenhaar Hermanus G	3
#3	Herumanusu Geruharudousu Gurob	1
#4	Grobbenhaar H G	1

Publication	Filing date	Title
NL1009468C2	1998-06-23	Improved catalyst housing.
NL1008095C2	1998-01-22	Cased multi-pipe.
NL1007986C2	1998-01-08	Pipe connection.
EP0939681A1	1997-11-20	Bending mandrel
US5214950A	1992-04-02	Method and apparatus for bending a multiple tube
NL8901713A	1989-07-05	Method, apparatus and bending pin for bending a multiple tube.