Inventor
Hendricks Daniel
US16 patents
⚠️ This page may combine multiple inventors who share the name “Hendricks Daniel”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALL DAVID R
13 patentsUS9766257B1Sep 19, 2017
Toilet that detects fluorescent drug markers and methods of use thereof
HALL DAVID R8 citations83
US10383576B2Aug 20, 2019
Synthetic aperture photoplethysmography sensor
HALL DAVID R4 citations73
US9970949B1May 15, 2018
Method for identifying and tracking pharmaceutical and nutritional products using nanoparticles of different sizes and shapes
HALL DAVID R3 citations72
US9927448B1Mar 27, 2018
Method of measuring food dyes in bodily waste to identify and quantify drug consumption
HALL DAVID R2 citations72
US9863967B1Jan 9, 2018
Method of detecting fluorescent drug markers in urine
HALL DAVID R2 citations72
US10407888B2Sep 10, 2019
Automatic bidet wand aiming system based on user's center of mass
HALL DAVID R2 citations70
US10722120B1Jul 28, 2020
Sensor platform array that moves sensor platforms to conform to the shape of the subject to be monitored
HALL DAVID R0 citations51
US10444144B2Oct 15, 2019
Identification of consumed drugs and food by unique near infrared tag libraries
HALL DAVID R0 citations51
US10408849B2Sep 10, 2019
Method of determining consumption of decayed drug through drug taggants
HALL DAVID R0 citations51
US10241122B2Mar 26, 2019
Method of measuring artificial sweeteners in bodily waste to identify and quantify drug consumption
HALL DAVID R0 citations51
US10060112B1Aug 28, 2018
Toilet system for detecting tags in pharmaceutical and nutritional products which are excreted in solid waste
HALL DAVID R0 citations51
US10012660B2Jul 3, 2018
Toilet apparatus for detecting fluorescent drug markers in urine
HALL DAVID R0 citations51
US10209264B2Feb 19, 2019
Method of detecting drug taggants in biological samples to assess drug decay
HALL DAVID R0 citations41