Average Co-Inventor Count = 1.11
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. Other (4 from 832,912 patents)
2. Frank Brunckhorst Co. (1 from 6 patents)
3. Friedrich Metal Products Co., Inc. (1 from 4 patents)
5 patents:
1. 8925665 - Propulsion and directional control apparatus for an air cushion vehicle
2. 7306066 - Air cushion vehicle and game
3. 4910030 - Frozen confectionary product and method of making the same
4. D297680 - Filled frozen confection
5. 3935688 - Impervious wall structure