articles with helicoidal surface

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Patents Grantslast 30 patents

Information Patent Grant
Reel blade and manufacturing method
- Patent number 11,324,163
- Issue date May 10, 2022
- The Toro Company
- Scott Michael Coffin
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Screw conveyors, augers, and flighting for use therein
- Patent number 9,061,345
- Issue date Jun 23, 2015
- LENHAM MACHINERY LTD
- Michael D. Hamilton
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Flighting for a conveyor and apparatus for producing such flighting
- Patent number 8,069,973
- Issue date Dec 6, 2011
- Uniflyte Inc.
- Robert Wynnobel
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Screw conveyors, augers and flighting for use therein
- Patent number 5,678,440
- Issue date Oct 21, 1997
- Lenham Machinery Limited
- Michael Douglas Hamilton
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
3893322
- Patent number 3,893,322
- Issue date Jul 8, 1975
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
3745801
- Patent number 3,745,801
- Issue date Jul 17, 1973
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...