Daniel J. Freschl

Person

Berkeley, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic stethoscope device with noise cancellation
- Patent number 11,741,931
- Issue date Aug 29, 2023
- Eko Health, Inc.
- Neal Donovan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
In-canal heart rate monitoring apparatus
- Patent number 11,666,235
- Issue date Jun 6, 2023
- Fitbit, Inc.
- Andrew R. Church
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Multi-channel photoplethysmography sensor
- Patent number 11,633,117
- Issue date Apr 25, 2023
- Fitbit, Inc.
- Kevin Pu Weekly
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electronic stethoscope device
- Patent number D941468
- Issue date Jan 18, 2022
- EKO DEVICES, INC.
- Daniel Freschl
- D24 - Medical and laboratory equipment
Information Patent Grant
In-canal heart rate monitoring apparatus
- Patent number 10,842,394
- Issue date Nov 24, 2020
- Fitbit, Inc.
- Andrew R. Church
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Multi-channel photoplethysmography sensor
- Patent number 10,433,739
- Issue date Oct 8, 2019
- Fitbit, Inc.
- Kevin Pu Weekly
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Intermeshing light barrier features in optical physiological parame...
- Patent number 9,763,584
- Issue date Sep 19, 2017
- Fitbit, Inc.
- Daniel J. Freschl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Intermeshing light barrier features in optical physiological parame...
- Patent number 9,757,046
- Issue date Sep 12, 2017
- Fitbit, Inc.
- Daniel J. Freschl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Intermeshing light barrier features in optical physiological parame...
- Patent number 9,743,849
- Issue date Aug 29, 2017
- Fitbit, Inc.
- Daniel J. Freschl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR ELECTRONIC STETHOSCOPE WITH ACTIVE HEADSET
- Publication number 20240164739
- Publication date May 23, 2024
- Eko Devices, Inc.
- Michael Childs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR POWER MANAGEMENT OF AN ELECTRONIC STETHOSCOPE
- Publication number 20240138781
- Publication date May 2, 2024
- Eko Devices, Inc.
- Dan Freschl
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR ELECTRONIC STETHOSCOPE WIRELESS AUSCULTATION
- Publication number 20220354451
- Publication date Nov 10, 2022
- Eko Devices, Inc.
- Subramaniam Venkatraman
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ELECTRONIC STETHOSCOPE DEVICE WITH NOISE CANCELLATION
- Publication number 20220301537
- Publication date Sep 22, 2022
- Eko Devices, Inc.
- Neal Donovan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
IN-CANAL HEART RATE MONITORING APPARATUS
- Publication number 20210137397
- Publication date May 13, 2021
- Fitbit, Inc.
- Andrew R. CHURCH
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MULTI-CHANNEL PHOTOPLETHYSMOGRAPHY SENSOR
- Publication number 20200138309
- Publication date May 7, 2020
- Fitbit, Inc.
- KEVIN PU WEEKLY
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
IN-CANAL HEART RATE MONITORING APPARATUS
- Publication number 20180177416
- Publication date Jun 28, 2018
- Fitbit, Inc.
- Andrew R. CHURCH
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MULTI-CHANNEL PHOTOPLETHYSMOGRAPHY SENSOR
- Publication number 20170311825
- Publication date Nov 2, 2017
- Fitbit, Inc.
- KEVIN PU WEEKLY
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
INTERMESHING LIGHT BARRIER FEATURES IN OPTICAL PHYSIOLOGICAL PARAME...
- Publication number 20170086690
- Publication date Mar 30, 2017
- Fitbit, Inc.
- Daniel J. Freschl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
INTERMESHING LIGHT BARRIER FEATURES IN OPTICAL PHYSIOLOGICAL PARAME...
- Publication number 20170086691
- Publication date Mar 30, 2017
- Fitbit, Inc.
- Daniel J. Freschl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
INTERMESHING LIGHT BARRIER FEATURES IN OPTICAL PHYSIOLOGICAL PARAME...
- Publication number 20170086692
- Publication date Mar 30, 2017
- Fitbit, Inc.
- Daniel J. Freschl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Daniel J. Freschl

Person

Patents Grantslast 30 patents

Electronic stethoscope device with noise cancellation

In-canal heart rate monitoring apparatus

Multi-channel photoplethysmography sensor

Electronic stethoscope device

In-canal heart rate monitoring apparatus

Multi-channel photoplethysmography sensor

Intermeshing light barrier features in optical physiological parame...

Intermeshing light barrier features in optical physiological parame...

Intermeshing light barrier features in optical physiological parame...

Patents Applicationslast 30 patents

SYSTEMS AND METHODS FOR ELECTRONIC STETHOSCOPE WITH ACTIVE HEADSET

SYSTEMS AND METHODS FOR POWER MANAGEMENT OF AN ELECTRONIC STETHOSCOPE

SYSTEMS AND METHODS FOR ELECTRONIC STETHOSCOPE WIRELESS AUSCULTATION

ELECTRONIC STETHOSCOPE DEVICE WITH NOISE CANCELLATION

IN-CANAL HEART RATE MONITORING APPARATUS

MULTI-CHANNEL PHOTOPLETHYSMOGRAPHY SENSOR

IN-CANAL HEART RATE MONITORING APPARATUS

MULTI-CHANNEL PHOTOPLETHYSMOGRAPHY SENSOR

INTERMESHING LIGHT BARRIER FEATURES IN OPTICAL PHYSIOLOGICAL PARAME...

INTERMESHING LIGHT BARRIER FEATURES IN OPTICAL PHYSIOLOGICAL PARAME...

INTERMESHING LIGHT BARRIER FEATURES IN OPTICAL PHYSIOLOGICAL PARAME...