Average Co-Inventor Count = 2.00
ph-index = 5
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. Lockheed Corporation (4 from 364 patents)
2. Lockheed Martin Corporation (1 from 5,263 patents)
5 patents:
1. D418804 - Partially buoyant aerial vehicle
2. 5516061 - Shroud for a reversible thrust fan
3. D359471 - Lighter-than-air vehicle
4. D358799 - Lighter-than-air vehicle
5. D358575 - Lighter-than-air vehicle