TTL 2724: USB isolator, galvanic isolation host<>device at reichelt elektronik
USB Isolator (Industrial) – CommFront
USB to CAN Bus Adapter with Galvanic Isolation in Metal Case
USB Power Isolator Keeps Smoke In | Hackaday
Isolated USB to RS485 data communication converter bridge
Amazon.com: COMMFRONT Industrial USB Isolator, USB 2.0 5000Vrms Isolation (per UL 1577), Low and Full Speed Data Rate: 1.5Mbps and 12Mbps, Plug-n-Play, No Drivers Required : Electronics
WuT data sheet: USB Isolator 1kV
Hifimediy USB Isolators - Made for audio to prevent ground loops
Usb To Usb Isolator Industrial Grade Magnetic Isolated Converter Higher Spread Rate Protection1500v Need External Power Supply - Cnc Controller - AliExpress
USB 2.0 Hi-Speed Isolator
USB Isolator - JCAT . next-gen computer audio
USB 3.0 SuperSpeed 10-36V Isolator (ADQ-USB-ISO-W) ($289.95) : Saelig Online Store
USB Isolator 3000 Vrms Rugged Metal Chassis - Coolgear
USB to CAN Bus Adapter with Galvanic Isolation in Metal Case - Coolgear
1 Port USB to RS232 Serial Adapter - Serial Cards & Adapters | StarTech.com
USB to DMX Interface Controller Adapter DMX512 Galvanic isolation | eBay