Average Co-Inventor Count = 2.00
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. Dalen Products, Inc. (2 from 33 patents)
2. Other (1 from 832,880 patents)
3. E. Neal Caldwell (1 from 1 patent)
4 patents:
1. 9079784 - Water filter system
2. 8778175 - Water filter system
3. 8171875 - Owl with intermittent powered movement
4. 7966963 - Owl with intermittent powered movement