LexDanaLexDanabeta
Inventor

David Hong

Inventor
Hong Kong, CN

Overview

19→
Patents
2006–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 19 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B29Cprimary
B29CShaping or joining of plastics16%
B29LIndexing scheme associated with subclass b29c, relating to particular articles11%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers11%
H10DInorganic electric semiconductor devices11%
B60CVehicle tyres8%
Y10TTechnical subjects covered by former us classification8%
F04BPositive-displacement machines for liquids5%
G10KSound-producing devices5%
LOC155%
A47JKitchen equipment3%
PatentTitleYear
10,771,891Method for manufacturing air pulse generating element202010,753,351Air inflating device and tire repair machine comprising same202010,567,866Sound producing device and valve202010,477,300Air pulse generating element and sound producing device201910,327,060Air pulse generating element and sound producing device20199,657,730'Heat dissipation structure of tire repair machine'20179,492,976'Sealant bottle for tire repair of vehicle'20169,193,229'Tire repair device'20158,863,779'Integrated supplying apparatus for gas and sizing'20148,720,495'Integrated supplying apparatus for gas and sizing'20148,171,784'Gas cylinder residual gas volume indicator'20128,113,191'Flame tamers and arrangement thereof for barbeque grills'20127,748,295'Tire-repair bottle'20107,629,191'Semiconductor device'20097,626,201'Semiconductor device'20097,382,421'Thin film transistor with a passivation layer'20087,145,174'Semiconductor device'2006D0528714'Pressure washer'2006D0523193'Pressure washer'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2020Based in Hong Kong, CN· patent location history
2006–2009Based in Eugene, OR, US· patent location history
2008–2009Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (3)· patent assignee history
2010–2014Patents assigned to ACTIVE TOOLS INT HK LTD (3)· patent assignee history
2012–2017Patents assigned to HONG DAVID (5)· patent assignee history
2014–2017Based in Causeway Bay, HK· patent location history
2016–2020Patents assigned to ACTIVE TOOLS INT (HK) LTD (3)· patent assignee history
2019–2020Patents assigned to XMEMS LABS INC (4)· patent assignee history
2019–2020Based in Los Altos, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONG DAVIDself52012–2017
XMEMS LABS INC42019–2020
ACTIVE TOOLS INT (HK) LTD32016–2020
ACTIVE TOOLS INT HK LTD32010–2014
HEWLETT PACKARD DEVELOPMENT CO32008–2009
Locations
LocationPatentsSpan
Hong Kong, CN62006–2020
Causeway Bay, HK52014–2017
Los Altos, California, US42019–2020
Eugene, OR, US42006–2009