P

Inventor

LOU YAOLONG

SG13 patents
⚠️ This page may combine multiple inventors who share the name “LOU YAOLONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WELCH ALLYN INC

6 patents
US11246482B2Feb 15, 2022

Visual acuity examination

WELCH ALLYN INC1 citations58
US9503056B2Nov 22, 2016

Frequency-adaptive notch filter

WELCH ALLYN INC0 citations42
US9198588B2Dec 1, 2015

Frequency-adaptive notch filter

WELCH ALLYN INC1 citations42
US12490903B2Dec 9, 2025

Dermal image capture

WELCH ALLYN INC0 citations41
US12518375B2Jan 6, 2026

Vision screening systems and methods

WELCH ALLYN INC0 citations40
US12433483B2Oct 7, 2025

Vision screening systems and methods

WELCH ALLYN INC0 citations37

HILL ROM SERVICES PTE LTD

4 patents
USD1078063SJun 3, 2025

Garment for respiratory therapy

HILL ROM SERVICES PTE LTD3 citations68
USD1106468SDec 16, 2025

Garment for respiratory therapy

HILL ROM SERVICES PTE LTD0 citations56
US12533289B2Jan 27, 2026

Chest wall therapy garment

HILL ROM SERVICES PTE LTD0 citations44
US12508191B2Dec 30, 2025

High frequency chest wall oscillation air pulse generator having pressure sensor for feedback control

HILL ROM SERVICES PTE LTD0 citations44

UNIV SINGAPORE

2 patents
US6876168B1Apr 5, 2005

Disturbance attenuation in a precision servomechanism by a frequency-separated acceleration soft sensor

UNIV SINGAPORE26 citations88
US6937430B2Aug 30, 2005

Robust triple-mode compensator for hard disk drives with dynamic friction

UNIV SINGAPORE13 citations78

HILL ROM SERVICES INC

1 patent
US11160491B2Nov 2, 2021

Devices, systems, and methods for monitoring wounds

HILL ROM SERVICES INC0 citations43