Average Co-Inventor Count = 1.41
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. Thomas Industries, Inc. (3 from 159 patents)
2. Other (1 from 832,891 patents)
4 patents:
1. 4852203 - Paint edger for the application of paint
2. 4730550 - Piston cup and cylinder assembly
3. 4545405 - Multi-position relief valve
4. 4275999 - Air compressor with ramped intake valve