Joao A. Birkhan

Follow

Person

Viamao-Rs, BR

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus including a two stage vortex chamber for burning waste ma...
- Patent number 5,901,653
- Issue date May 11, 1999
- Leslie Technologies, Inc.
- Markus Jennebach
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Horizontally pivoted system grate for a furnace
- Patent number 5,746,142
- Issue date May 5, 1998
- Leslie Technologies, Inc.
- Markus Jennebach
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Method and system for burning waste materials
- Patent number 5,588,381
- Issue date Dec 31, 1996
- Leslie Technologies, Inc.
- Markus Jennebach
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES