Average Co-Inventor Count = 1.35
ph-index = 7
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. Westinghouse Electric Corporation (2 from 8,033 patents)
2. Sears Manufacturing Company (2 from 94 patents)
3. Caterpillar Tractor Co. (1 from 1,981 patents)
4. American Hospital Supply Corporation (1 from 433 patents)
5. Bally Manufacturing Corporation (1 from 93 patents)
6. Custom Accessories Inc. (1 from 70 patents)
7. Unitek (1 from 43 patents)
8. Steiger Tractor Inc. (1 from 15 patents)
9. Unitex Corporation (1 from 4 patents)
11 patents:
1. D312002 - Chair
2. D305183 - Armchair
3. D273917 - Chair
4. D273729 - Chair
5. D263958 - Housing for pump or the like
6. D259350 - Pinball game cabinet
7. D251997 - Seat
8. D249102 - Vehicle seat
9. 4084775 - Vehicle seat
10. D247341 - Portable vacuum cleaner
11. D245982 - Combined tractor cab and hood