Average Co-Inventor Count = 3.00
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. Ritchie Engineering Company, Inc. (6 from 9 patents)
6 patents:
1. 7428822 - Vacuum sensor
2. 7310965 - Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus
3. 7159412 - Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus
4. 7073346 - Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensor
5. 6832491 - Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus
6. 6779350 - Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensor