Inventor
JOSEPHSON GREGORY P
US8 patents
⚠️ This page may combine multiple inventors who share the name “JOSEPHSON GREGORY P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JAC OPERATIONS INC
7 patentsUS9862393B2Jan 9, 2018
Open top hopper railcar with biased door seal and enlarged contoured end door
JAC OPERATIONS INC5 citations82
US9096238B2Aug 4, 2015
Open top hopper railcar with biased door seal and enlarged contoured end door
JAC OPERATIONS INC5 citations82
US11945476B2Apr 2, 2024
Railcar cold formed center sill with stiffness enhancing structure
JAC OPERATIONS INC2 citations69
US11338831B2May 24, 2022
Railcar having cold formed center sill with stiffness enhancing structure
JAC OPERATIONS INC4 citations69
US12528521B2Jan 20, 2026
Railcar gate adaptor and railcar modification using the same
JAC OPERATIONS INC1 citations55
US12570333B2Mar 10, 2026
Covered hopper railcar
JAC OPERATIONS INC1 citations51
US11554797B2Jan 17, 2023
Handheld solenoid activation remote for a railroad car door
JAC OPERATIONS INC0 citations51