Average Co-Inventor Count = 3.16
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. Douglas Dynamics LLC (2 from 54 patents)
2. Trynex International LLC (2 from 3 patents)
3. Other (1 from 832,966 patents)
5 patents:
1. 10858559 - Material mixing system
2. 9890310 - Material mixing system
3. 9296571 - Cab-forward truck bed mounted material spreader
4. D673586 - Combined sprayer and spreader with sulky
5. D673587 - Liquid storage tank for sprayer and spreader assembly