Inventor

HELMIG EGBERT

DE3 patents

⚠️ This page may combine multiple inventors who share the name “HELMIG EGBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HAMMELMANN PAUL MASCHF

2 patents

US6913266B2Jul 5, 2005

Sealing device

HAMMELMANN PAUL MASCHF9 citations69

US7780100B2Aug 24, 2010

Nozzle head

HAMMELMANN PAUL MASCHF5 citations54

HAMMELMANN MASCHINENFABRIK

1 patent

US6840315B2Jan 11, 2005

Device for cleaning an inner pipe inserted into a gas or oil producing well

HAMMELMANN MASCHINENFABRIK21 citations86