Inventor
HARTFELDER CHARLES B
US19 patents
⚠️ This page may combine multiple inventors who share the name “HARTFELDER CHARLES B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
Prince Castle LLC
16 patentsUS9976750B1May 22, 2018
Multi-zone food holding bin
Prince Castle LLC35 citations93
US9980322B1May 22, 2018
Multi-zone food holding bin
Prince Castle LLC29 citations93
US10492641B2Dec 3, 2019
Multi-zone food holding bin
Prince Castle LLC14 citations85
US10852002B1Dec 1, 2020
Multi-zone food holding bin
Prince Castle LLC9 citations83
US10841981B1Nov 17, 2020
Multi-zone food holding bin
Prince Castle LLC9 citations83
USD872573SJan 14, 2020
Food holding bin
Prince Castle LLC8 citations83
US10512363B2Dec 24, 2019
Multi-zone food holding bin
Prince Castle LLC6 citations83
USD809326SFeb 6, 2018
Food holding bin
Prince Castle LLC8 citations83
US10486908B2Nov 26, 2019
Conveyor belt slat with side carrier connection
Prince Castle LLC7 citations82
US10173844B2Jan 8, 2019
Conveyor belt link with coupling mechanism
Prince Castle LLC6 citations82
US9908708B1Mar 6, 2018
Conveyor belt link with coupling mechanism
Prince Castle LLC10 citations82
US9889992B1Feb 13, 2018
Conveyor belt slat
Prince Castle LLC14 citations82
US10308433B2Jun 4, 2019
Conveyor belt slat with side carrier connection
Prince Castle LLC3 citations71
US10273089B2Apr 30, 2019
Conveyor belt slat
Prince Castle LLC1 citations61
US10494183B2Dec 3, 2019
Conveyor belt slat with side carrier connection
Prince Castle LLC0 citations51
US10494182B2Dec 3, 2019
Conveyor belt slat with side carrier connection
Prince Castle LLC0 citations51