Average Co-Inventor Count = 6.43
ph-index = 9
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. Carrier Corporation (5 from 3,945 patents)
2. United Technologies Corporation (4 from 10,654 patents)
3. Otis Elevator Company (4 from 2,614 patents)
4. Caterpillar Inc. (2 from 9,440 patents)
15 patents:
1. 9035595 - Integral electric power/compact construction equipment system
2. 7153111 - Screw machine
3. 6988877 - Screw machine
4. 6986652 - Screw machine
5. 6893240 - Screw machine
6. 6675635 - System and method for determining oil quality
7. 6506037 - Screw machine
8. 6468648 - Plasma sprayed mullite coatings on silicon based ceramic materials
9. 6371261 - Molybdenum alloy elevator safety brakes
10. 5979615 - Carbon--carbon composite elevator safety brakes
11. 5964322 - Elevator safety brake having a plasma sprayed friction coating
12. 5869146 - Plasma sprayed mullite coatings on silicon based ceramic materials
13. 5819879 - Safety brake
14. 5506018 - Joining non-coplanar panels and structures of fiber reinforced composites
15. 5474635 - Joining non-coplanar panels and structures of fiber reinforced composites