JB

Jeffrey W. Blain

WE Westinghouse Electric: 5 patents #593 of 5,139Top 15%
IA Inventio Ag: 2 patents #274 of 953Top 30%
📍 Sparta, NJ: #46 of 375 inventorsTop 15%
🗺 New Jersey: #12,389 of 69,400 inventorsTop 20%
Overall (All Time): #767,939 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4991693 Method of improving the landing of a hydraulic elevator car Lawrence Stern 1991-02-12
4932502 Hydraulic elevator system David Kutz 1990-06-12
4785914 Elevator system leveling safeguard control and method Richard H. Ludwig 1988-11-22
4784240 Method for using door cycle time in dispatching elevator cars Robert C. MacDonald, Gerald M. Rees, Elsa Abrego, Matthew Martin, Jon Jay Howard +1 more 1988-11-15
4766978 Elevator system adaptive time-based block operation Denis D. Shah 1988-08-30
4765442 Elevator system graceful degradation of bank service Denis D. Shah, Jean-Huang Chen 1988-08-23
4762204 Elevator system master car switching Jean-Huang Chen 1988-08-09