Inventor

PETRY DIRK

CH7 patents

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

FISCHER G ROHRLEITUNGSSYSTEME AG

2 patents

US12181093B2Dec 31, 2024

Weldable half-shell

FISCHER G ROHRLEITUNGSSYSTEME AG0 citations59

US12292128B2May 6, 2025

Pressure control valve

FISCHER G ROHRLEITUNGSSYSTEME AG0 citations51

GEORG FISCHER WAVIN AG

2 patents

US10648593B2May 12, 2020

Pipe clamp

GEORG FISCHER WAVIN AG0 citations43

US10697574B2Jun 30, 2020

Heating element geometry for use in a tapping saddle

GEORG FISCHER WAVIN AG0 citations42

UNIV IOWA STATE RES FOUND INC

1 patent

US6717541B1Apr 6, 2004

Fast low cost multiple sensor readout system

UNIV IOWA STATE RES FOUND INC36 citations83

PETRO TECHNIK LTD

1 patent

US7614661B1Nov 10, 2009

Welding socket

PETRO TECHNIK LTD16 citations77

FISCHER GEORG ROHRLEITUNG

1 patent

US5255943AOct 26, 1993

Welding sleeve and method for its manufacture

FISCHER GEORG ROHRLEITUNG13 citations66