Average Co-Inventor Count = 3.60
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. Thetford Corporation (3 from 123 patents)
3 patents:
1. 6189161 - Toilet for recreational vehicle with vent for the holding tank
2. 5746466 - Flush service door for RV
3. D390525 - RV door unit