Average Co-Inventor Count = 8.91
ph-index = 1
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. Otis Elevator Company (5 from 2,614 patents)
2. Spalding Sports Worldwide, Inc. (1 from 220 patents)
6 patents:
1. 11807493 - Retrofitted hoist machine
2. 11377323 - Retrofitting an elevator machine with primary and secondary braking
3. 11299374 - Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine
4. 10737908 - Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine
5. 10618775 - Retrofitting an elevator machine with primary and secondary braking
6. 6533566 - Apparatus for making a golf ball