Tinus de Lange

WB Wavin B.V.: 4 patents #9 of 114Top 8%

Overall (All Time): #1,308,763 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Patent #	Title	Co-Inventors	Date
4488739	Insulating pipe part	—	1984-12-18
4465307	Pipe coupler for insulated pipes	—	1984-08-14
4313627	Pipe part with a displaceable abutment edge	—	1982-02-02
4273364	Branch piece	—	1981-06-16