Average Co-Inventor Count = 1.06
ph-index = 6
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. Qualitrol Corporation (5 from 25 patents)
2. Xerox Corporation (3 from 24,190 patents)
3. Other (1 from 832,718 patents)
9 patents:
1. 5645396 - Printer mailbox sets access and removal system
2. 5370384 - Sheet transport belt and support system for a sorter or mailbox
3. 4784345 - Apparatus for automatically rolling up output sheets from a document
4. 4433837 - Sheet sorter apparatus
5. 4092864 - Hot spot thermometer
6. 4074696 - Pressure relief valve operation signal
7. 4074096 - Bellows controlled sudden pressure rise relay
8. 4074095 - Flow operable switch device
9. 3960017 - Thermometer insertable in winding of fluid cooled transformer