P

Inventor

STAFFORD DAVID

US13 patents
⚠️ This page may combine multiple inventors who share the name “STAFFORD DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHAMBERLAIN GROUP INC

4 patents
US7091688B2Aug 15, 2006

Barrier movement operator including timer to close feature

CHAMBERLAIN GROUP INC31 citations91
US7248174B2Jul 24, 2007

Automatic sensing of safe-operation sensor apparatus and method

CHAMBERLAIN GROUP INC7 citations72
US7057519B2Jun 6, 2006

Automatic sensing of safe-operation sensor apparatus and method

CHAMBERLAIN GROUP INC8 citations72
US7034484B2Apr 25, 2006

Barrier movement operator including timer to close feature

CHAMBERLAIN GROUP INC4 citations72

DROPBOX INC

4 patents
US10079817B2Sep 18, 2018

Techniques for invite enforcement and domain capture

DROPBOX INC3 citations71
US10523651B2Dec 31, 2019

Techniques for domain capture

DROPBOX INC0 citations48
US10348717B2Jul 9, 2019

Techniques for invite enforcement

DROPBOX INC0 citations48
US10326751B2Jun 18, 2019

Techniques for domain capture

DROPBOX INC0 citations48

XILIS INC

3 patents
US12350673B2Jul 8, 2025

Closed loop control of microfluidic systems

XILIS INC0 citations61
US12311373B2May 27, 2025

Closed loop control of microfluidic systems

XILIS INC0 citations61
US11986827B2May 21, 2024

Closed loop control of microfluidic systems

XILIS INC0 citations61

CHAMBERLIN GROUP INC

1 patent
US7579797B2Aug 25, 2009

Barrier movement operator including direction switch feature

CHAMBERLIN GROUP INC1 citations59

GIOIA WILLIAM

1 patent
USRE44816EMar 25, 2014

Barrier movement operator including time to close feature

GIOIA WILLIAM2 citations55