Keystone Investment Corporation

United States of America

 
Total IP 6
Total IP Rank # 256,227
IP Activity Score 0/5.0    0
IP Activity Rank # 1,661,163
Dominant Nice Class Treatment of materials; recyclin...

Patents

Trademarks

5 1
0 0
0 0
0
 
Last Patent 2014 - Carburization of metal articles
First Patent 1991 - Machinable and wear resistant va...
Last Trademark 1995 - KEYSTONE
First Trademark 1995 - KEYSTONE

Industry (Nice Classification)

Latest Inventions, Goods, Services

2010 Invention Carburization of metal articles. The present invention relates to a process for carburizing a met...
2007 Invention High density dual helical gear. The present invention relates to a low cost technique for manufac...
Invention Method of strengthening metal parts through ausizing. The subject invention discloses a process f...
2006 Invention Process for manufacturing hardened powder metal parts. The subject invention reveals a process fo...
2005 Invention High density dual helical gear and method for manufacture thereof. The present invention relates ...
2004 Invention Powder metal materials and parts and methods of making the same. Embodiments of the present inven...
2002 Invention Powder metal materials including glass. A method of forming a powder metal material includes mold...
2001 Invention Powder metal materials having high temperature wear and corrosion resistance. A method of forming...
Invention Method for producing powder metal gears. A method of producing a gear from a metallurgical powder...
Invention Method for producing powder metal materials. A method for producing a material includes providing...
Invention Method of producing powder metal parts from metallurgical powders including sponge iron. A method...
Invention Method of producing powder metal parts using induction sintering. A method of forming a part from...
Invention Method of fabricating camshafts and other products. A method of attaching and adjusting first and...
2000 Invention Method for forming powder metal gears. A method for producing a fully dense powder metal helical ...
Invention Method for producing powder metal materials. A method of producing a powder metal material includ...
Invention Method of fabricating camshafts. A method of attaching and adjusting first and second members inc...
1998 Invention Method for producing fully dense powdered metal helical gear. A method for producing a fully dens...
1995 G/S manufacture of machine parts made from powders using the process of molding and sintering to the ...
1994 Invention High density ferrous power metal alloy. A method for producing high density and/or high surface d...
1991 Invention Machinable and wear resistant valve seat insert alloy. A powder composition is suitable for makin...