Inventor
PERKINS DAVID
US44 patents
⚠️ This page may combine multiple inventors who share the name “PERKINS DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FREESE ROBERT
12 patentsUS8823939B2Sep 2, 2014
Methods and devices for optically determining a characteristic of a substance
FREESE ROBERT33 citations93
US9019501B2Apr 28, 2015
Methods and devices for optically determining a characteristic of a substance
FREESE ROBERT17 citations92
US9013702B2Apr 21, 2015
Imaging systems for optical computing devices
FREESE ROBERT25 citations92
US9013698B2Apr 21, 2015
Imaging systems for optical computing devices
FREESE ROBERT20 citations92
US8941046B2Jan 27, 2015
Methods and devices for optically determining a characteristic of a substance
FREESE ROBERT20 citations92
US8912477B2Dec 16, 2014
Methods and devices for optically determining a characteristic of a substance
FREESE ROBERT25 citations92
US8879053B2Nov 4, 2014
Devices having an integrated computational element and a proximal interferent monitor and methods for determining a characteristic of a sample therewith
FREESE ROBERT23 citations92
US8780352B2Jul 15, 2014
Methods and devices for optically determining a characteristic of a substance
FREESE ROBERT30 citations92
US9383307B2Jul 5, 2016
Methods and devices for optically determining a characteristic of a substance
FREESE ROBERT8 citations83
US9080943B2Jul 14, 2015
Methods and devices for optically determining a characteristic of a substance
FREESE ROBERT12 citations83
US9702811B2Jul 11, 2017
Methods and devices for optically determining a characteristic of a substance using integrated computational elements
FREESE ROBERT4 citations72
US9658149B2May 23, 2017
Devices having one or more integrated computational elements and methods for determining a characteristic of a sample by computationally combining signals produced therewith
FREESE ROBERT4 citations72
WELCH ALLYN INC
8 patentsUSD905238SDec 15, 2020
Medical viewing device
WELCH ALLYN INC11 citations94
USD905239SDec 15, 2020
Medical viewing device
WELCH ALLYN INC10 citations84
USD905237SDec 15, 2020
Medical viewing device
WELCH ALLYN INC9 citations84
USD905240SDec 15, 2020
Medical viewing device
WELCH ALLYN INC5 citations84
USD958341SJul 19, 2022
Medical viewing device
WELCH ALLYN INC1 citations73
USD958340SJul 19, 2022
Medical viewing device
WELCH ALLYN INC1 citations73
USD958339SJul 19, 2022
Medical viewing device
WELCH ALLYN INC1 citations73
USD958342SJul 19, 2022
Medical viewing device
WELCH ALLYN INC0 citations63
HALLIBURTON ENERGY SERVICES INC
5 patentsUS9103767B2Aug 11, 2015
Methods and devices for optically determining a characteristic of a substance
HALLIBURTON ENERGY SERVICES INC12 citations84
US9074990B2Jul 7, 2015
Methods and devices for optically determining a characteristic of a substance
HALLIBURTON ENERGY SERVICES INC11 citations84
US11650348B2May 16, 2023
Model based discriminant analysis
HALLIBURTON ENERGY SERVICES INC3 citations73
US9528931B2Dec 27, 2016
Imaging systems for optical computing devices
HALLIBURTON ENERGY SERVICES INC6 citations73
US9726012B2Aug 8, 2017
Systems and methods for optical fluid identification approximation and calibration
HALLIBURTON ENERGY SERVICES INC2 citations68
MOHAN TANUJ
4 patentsUS9006996B2Apr 14, 2015
Distributed lighting control
MOHAN TANUJ30 citations94
US9002522B2Apr 7, 2015
Logical groupings of intelligent building fixtures
MOHAN TANUJ39 citations93
US8587219B2Nov 19, 2013
Lighting control with automatic and bypass modes
MOHAN TANUJ8 citations80
US9363867B2Jun 7, 2016
Intelligent and emergency light control
MOHAN TANUJ0 citations42