Average Co-Inventor Count = 3.43
ph-index = 3
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. Ellenberger & Poensgen Gmbh (4 from 141 patents)
4 patents:
1. 7477030 - Ceiling fan with illumination
2. 7400095 - Portable electric lighting fixture
3. 5432491 - Bimetal controlled circuit breaker
4. 5381121 - Remote controlled overload protective switch