Average Co-Inventor Count = 2.67
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. Other (2 from 832,880 patents)
2. Wea Manufacturing, Inc. (2 from 41 patents)
4 patents:
1. 6635149 - Water purification system
2. 5549078 - Device for superheating steam
3. 5441399 - Method of removing stuck sprue and tool for removal therein
4. 5391332 - Method of removing stuck sprue