Average Co-Inventor Count = 1.45
ph-index = 8
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. Truth Division of Spx Corporation (4 from 15 patents)
2. Truth Incorporated (3 from 59 patents)
3. Truth Div. of Spx Corporation (1 from 3 patents)
8 patents:
1. 5199216 - French casement window operator
2. 5152103 - Automatic window sash and lock operator
3. 5118145 - Universal window sash lock for a variety of windows
4. 5087087 - Sash lock
5. 5054239 - Unified casement operator
6. 4937976 - Window operator and hinge structure
7. 4894902 - Window operator assembly method
8. 4840075 - Window operator