Inventor

BIESAK JOHN

US7 patents

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

CIDRA CORPORATE SERVICES INC

4 patents

US10156547B2Dec 18, 2018

Method and apparatus for providing real time air measurement applications in wet concrete

CIDRA CORPORATE SERVICES INC10 citations83

US11035826B1Jun 15, 2021

Method and apparatus for determining GVF—gas volume fraction—for aerated fluids and liquids in flotation tanks, columns, drums, tubes, vats

CIDRA CORPORATE SERVICES INC2 citations73

US11275056B2Mar 15, 2022

Method and apparatus for providing real time air measurement applications in wet concrete using dual frequency techniques

CIDRA CORPORATE SERVICES INC4 citations72

US12539644B2Feb 3, 2026

Method and apparatus for providing real time air measurement applications in wet concrete

CIDRA CORPORATE SERVICES INC0 citations49

CIDRA CORPORATE SERVICES LLC

1 patent

US11275009B2Mar 15, 2022

Techniques for sensing the volume and/or viscosity of concrete in a rotating container

CIDRA CORPORATE SERVICES LLC6 citations83

CIDRA CONCRETE SYSTEMS INC

1 patent

US12050166B2Jul 30, 2024

Techniques for sensing the viscosity of concrete in a rotating container

CIDRA CONCRETE SYSTEMS INC2 citations68

BIESAK JOHN

1 patent

US8713988B2May 6, 2014

Use of gas void fraction measurement is the closed loop control of a fermentation process

BIESAK JOHN0 citations42