Average Co-Inventor Count = 1.75
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. The Singer Company (8 from 1,246 patents)
8 patents:
1. 4385573 - Single actuator control of multiple sewing instrumentalities
2. 4372234 - Frame structure for a blindstitch hemming machine
3. 4372237 - Two dimensional feed for monogram sewing machine
4. 4325315 - Method for sewing a monogram pattern
5. 4221181 - Throat plate for above the bed feed system
6. 4216734 - Sewing machine with universal upper feed
7. 4198915 - Vacuum-type pneumatic needle threading assist
8. 4185574 - Track guided needle threader system