Average Co-Inventor Count = 2.00
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Hitchiner Manufacturing Co., Inc. (2 from 26 patents)
2 patents:
1. 4606396 - Sand mold and apparatus for reduced pressure casting
2. 4340108 - Method of casting metal in sand mold using reduced pressure