Average Co-Inventor Count = 2.00
ph-index = 4
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. Harbison-walker Refractories Company (6 from 21 patents)
2. Dresser Industries, Inc. (1 from 1,238 patents)
7 patents:
1. RE45360 - Rotary kiln heat exchanger and method of assembling same
2. RE44612 - Rotary kiln heat exchanger and method of assembling same
3. D598572 - Refractory brick
4. D591778 - Refractory block
5. D567829 - Refractory block
6. 6688884 - Rotary kiln heat exchanger and method of assembling same
7. 5151200 - High aluminia tar-impregnated pressure pouring tubes