Inventor
Ping Hay Heun
Inventor
Aberdeen, HK
Overview
Patents· 54 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC08primary
LOC0865%
LOC106%
LOC136%
A45CPurses4%
B25FCombination or multi-purpose tools not otherwise provided for4%
H04BTransmission4%
H04MTelephonic communication4%
LOC264%
LOC142%
LOC152%
PatentTitleYear
10,790,869Split screen phone carrying case with stand2020D0889296Sensor housing for open door sensor2020D0866545Phone case20199,768,822'Smart phone carrying case with stand'2017D0570172'Rotary driving tool/trimmer'2008D0568132'Sharpener for drill bits'2008D0528886'Electric sander'2006D0526869'Electric sander'2006D0526079'Lighting device for use with power tool'2006D0522338'Router attachment'2006D0521336'Circular saw'2006D0511954'Grinder attachment'2005D0510004'Grout removal attachment'2005D0507525'Battery charger'2005D0507371'Flashlight'2005D0507234'Battery charger'2005D0478487'Electric trimmer'2003D0478489'Electric trimmer'2003D0478260'Electric trimmer'2003D0478259'Electric trimmer'2003D0477203'Electric trimmer'2003D0477204'Electric trimmer'2003D0474086'Electric driver for screw or the like'2003D0471781'Electric trimmer'2003D0471329'Electric cleaner/polisher'2003D0470735'Electric trimmer'2003D0469324'Electric driver for screw or the like'20036,506,006'Power hand tool having a detachable handle'2003D0467483'Electric drill'2002D0460673'Electric drill'2002D0460674'Electric drill'2002D0459178'Rotary driving tool'2002D0448263'Electric trimmer'2001D0448262'Electric sander'2001D0446432'Electric driving tool'2001D0446100'Electric trimmer'2001D0441267'Rotary driving tool'2001D0441268'Electric drill'2001D0440474'Electric jigsaw'2001D0440202'Battery charger'2001D0437758'Rotary driving tool'2001D0433906'Electric grinder'2000D0427870'Electric rotary tool'2000D0427040'Electric rotary tool'2000D0419413'Electric drill'2000D0414094'Electric jigsaw'1999D0410829'Rotary driving tool'1999D0380692'Receiver of an electronic dog collar'1997D0380691'Remote control transmitter for a dog fence'1997D0376553'Receiver of an electronic dog collar'1996D0375057'Remote control transmitter for a dog training unit'1996D0373092'Electronic signalling transmitter for the retrieval of animals'1996D0373211'Flashlight with pivoting head'1996D0371855'Flexible flashlight'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–1997Patents assigned to GSL RECHARGEABLE PRODUCTS LTD (6)· patent assignee history
1996–1997Based in Kowloon, HK· patent location history
1999–2000Patents assigned to CHOON NANG ELECTRICAL APPLIANCE MFY LTD (4)· patent assignee history
1999–2000Patents assigned to CHOON NANG ELECTRICAL APPLIANCE MFTY LTD (2)· patent assignee history
1999–2008Based in Aberdeen, HK· patent location history
2001–2008Patents assigned to CHOON NANG ELEC APPL MFY LTD (35)· patent assignee history
2002–2008Based in Hong Kong, CN· patent location history
2017–2020Patents assigned to FOREVER HOLDINGS INC (3)· patent assignee history
2017–2020Based in Woodbury, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHOON NANG ELEC APPL MFY LTD | 35 | 2001–2008 |
| GSL RECHARGEABLE PRODUCTS LTD | 6 | 1996–1997 |
| CHOON NANG ELECTRICAL APPLIANCE MFY LTD | 4 | 1999–2000 |
| FOREVER HOLDINGS INC | 3 | 2017–2020 |
| CHOON NANG ELECTRICAL APPLIANCE MFTY LTD | 2 | 1999–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aberdeen, HK | 39 | 1999–2008 |
| Kowloon, HK | 7 | 1996–1997 |
| Woodbury, Minnesota, US | 4 | 2017–2020 |
| Hong Kong, CN | 4 | 2002–2008 |