Average Co-Inventor Count = 1.29
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. Koehler-dayton, Inc. (2 from 12 patents)
2. Other (1 from 832,812 patents)
3 patents:
1. 6169487 - Severe storm warning system
2. 4017395 - Recirculating sewerage system
3. 3986216 - Toilet