Inventor
NELMS II TERRY
US18 patents
Patents
18 patentsUS10665244B1May 26, 2020
Leveraging multiple audio channels for authentication
PINDROP SECURITY INC29 citations93
US10623403B1Apr 14, 2020
Leveraging multiple audio channels for authentication
PINDROP SECURITY INC20 citations93
US11019203B2May 25, 2021
Silent caller ID verification using callback request
PINDROP SECURITY INC6 citations83
US12212709B2Jan 28, 2025
Call authentication at the call center using a mobile device
PINDROP SECURITY INC2 citations74
US12250344B2Mar 11, 2025
Caller verification via carrier metadata
PINDROP SECURITY INC1 citations73
US10440178B2Oct 8, 2019
Caller ID verification using call identification and block lists
PINDROP SECURITY INC4 citations72
US11889024B2Jan 30, 2024
Caller verification via carrier metadata
PINDROP SECURITY INC1 citations71
US11470194B2Oct 11, 2022
Caller verification via carrier metadata
PINDROP SECURITY INC4 citations71
US12380892B2Aug 5, 2025
Limiting identity space for voice biometric authentication
PINDROP SECURITY INC1 citations63
US12457291B2Oct 28, 2025
Silent caller ID verification using callback request
PINDROP SECURITY INC0 citations62
US12424224B2Sep 23, 2025
Limiting identity space for voice biometric authentication
PINDROP SECURITY INC0 citations62
US12159633B2Dec 3, 2024
Enrollment and authentication over a phone call in call centers
PINDROP SECURITY INC0 citations62
US11783839B2Oct 10, 2023
Enrollment and authentication over a phone call in call centers
PINDROP SECURITY INC0 citations62
US11283919B2Mar 22, 2022
Caller ID verification using call identification and block lists
PINDROP SECURITY INC0 citations62
US11870932B2Jan 9, 2024
Systems and methods of gateway detection in a telephone network
PINDROP SECURITY INC0 citations58
US11290593B2Mar 29, 2022
Systems and methods of gateway detection in a telephone network
PINDROP SECURITY INC0 citations58
US11019201B2May 25, 2021
Systems and methods of gateway detection in a telephone network
PINDROP SECURITY INC0 citations58
US10715660B2Jul 14, 2020
Caller ID verification using call identification and block lists
PINDROP SECURITY INC0 citations51