Average Co-Inventor Count = 3.00
ph-index = 3
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. Carrier Corporation (2 from 3,958 patents)
2. Thomas Industries, Inc. (2 from 159 patents)
3 patents:
1. 5515769 - Air compressor
2. 5493953 - Cylinder and piston for compressor or vacuum pump
3. 5419688 - Mounting for oilless air compressor