Inventor
VAN DONGEREN JAN P
10 patents
⚠️ This page may combine multiple inventors who share the name “VAN DONGEREN JAN P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WAVIN BV
9 patentsUS4566704AJan 28, 1986
Sealing body for a pipe connection
WAVIN BV40 citations92
US4440195AApr 3, 1984
Plastic tube with longitudinal channels in the wall
WAVIN BV34 citations92
US4390383AJun 28, 1983
Method of making plastic pipes having walls with lengthwise extending channels
WAVIN BV31 citations92
US4634844AJan 6, 1987
Electroweldable socket and a device of manufacturing such a socket
WAVIN BV26 citations90
US4341392AJul 27, 1982
Plastics pipes having walls with lengthwise extending channels
WAVIN BV23 citations81
US4305899ADec 15, 1981
Method of manufacturing a plastic tube with longitudinal channels in the wall
WAVIN BV9 citations73
US4280534AJul 28, 1981
Plastics pipes having walls with lengthwise extending channels
WAVIN BV7 citations73
US4323339AApr 6, 1982
Device for manufacturing plastics pipes with oblong channels
WAVIN BV18 citations70
US4492867AJan 8, 1985
Method of and apparatus for determining the state of ageing of plastic products
WAVIN BV10 citations67