Patent · US Active

Device for unloading catalyst from a reactor vessel

US9138710B2 · kind B2 · utility

0Cited by

9References

6Claims

0Family size

Assignee

Extundo Incorporated · US

Inventors

Clifford L. Johns · Louisville, US
Dennis Patrick McAndrews · Jeffersonville, US
Munaf Chasmawala · Louisville, US
Douglas K. Cornett · Crestwood, US
Matthew Laughlin · Norwell, US

Key dates

Filing date	Mar 5, 2012
Grant date	Sep 22, 2015
Priority date	—
Expiry date	Jul 20, 2033

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65G65/40
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A device and method for automatic unloading of particles from the vertical tubes of a chemical reactor automatically feeds a fish tape into the bottom of the vertical tube to contact and dislodge the particles and automatically retracts the fish tape to allow the particles to fall out of the tube.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.