Inventor
WU SHUMING
CN40 patents
⚠️ This page may combine multiple inventors who share the name “WU SHUMING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NANJING CHERVON IND CO LTD
20 patentsUS7513047B2Apr 7, 2009
Handheld power tool with a detachable handle
NANJING CHERVON IND CO LTD26 citations92
US7243734B2Jul 17, 2007
Power tool with battery power supply
NANJING CHERVON IND CO LTD46 citations92
USD532664SNov 28, 2006
Jig saw
NANJING CHERVON IND CO LTD24 citations92
USD531874SNov 14, 2006
Electric drill
NANJING CHERVON IND CO LTD26 citations92
USD528389SSep 19, 2006
Angle grinder
NANJING CHERVON IND CO LTD29 citations92
USD527236SAug 29, 2006
Screwdriver
NANJING CHERVON IND CO LTD39 citations92
USD515378SFeb 21, 2006
Cordless drill
NANJING CHERVON IND CO LTD18 citations92
USD507952SAug 2, 2005
Drill
NANJING CHERVON IND CO LTD20 citations92
USD528386SSep 19, 2006
Palm sander
NANJING CHERVON IND CO LTD14 citations84
USD524621SJul 11, 2006
Jig saw
NANJING CHERVON IND CO LTD13 citations84
USD519045SApr 18, 2006
Ultrasonic rangefinder
NANJING CHERVON IND CO LTD13 citations84
USD520836SMay 16, 2006
Drill
NANJING CHERVON IND CO LTD9 citations74
USD509157SSep 6, 2005
Rotating laser level
NANJING CHERVON IND CO LTD7 citations74
USD519456SApr 25, 2006
Plug
NANJING CHERVON IND CO LTD2 citations63
USD510096SSep 27, 2005
Tile cutter
NANJING CHERVON IND CO LTD2 citations63
USD526867SAug 22, 2006
Sander
NANJING CHERVON IND CO LTD0 citations52
USD522830SJun 13, 2006
Portable tile cutter
NANJING CHERVON IND CO LTD0 citations52
USD508929SAug 30, 2005
Tile cutter
NANJING CHERVON IND CO LTD1 citations52
USD508250SAug 9, 2005
Tile cutter
NANJING CHERVON IND CO LTD1 citations52
US12311454B2May 27, 2025
Electric circular saw
NANJING CHERVON IND CO LTD0 citations46
CHERVON INTERNAT TRADING CO LT
15 patentsUS6898860B2May 31, 2005
Auxiliary handle with a laser alignment device for drills
CHERVON INTERNAT TRADING CO LT73 citations98
US6722618B1Apr 20, 2004
Foldable support frame for supporting cutting machine
CHERVON INTERNAT TRADING CO LT79 citations98
US7055252B2Jun 6, 2006
Laser level with adjustable laser projection line
CHERVON INTERNAT TRADING CO LT31 citations92
USD519804SMay 2, 2006
Jig saw
CHERVON INTERNAT TRADING CO LT30 citations92
USD519346SApr 25, 2006
Jig saw
CHERVON INTERNAT TRADING CO LT21 citations92
USD502373SMar 1, 2005
Circular saw
CHERVON INTERNAT TRADING CO LT20 citations92
USD498653SNov 23, 2004
Angle grinder
CHERVON INTERNAT TRADING CO LT29 citations92
US7131206B2Nov 7, 2006
Jig saw with laser alignment system
CHERVON INTERNAT TRADING CO LT18 citations84
USD501776SFeb 15, 2005
Circular saw
CHERVON INTERNAT TRADING CO LT16 citations84
USD499001SNov 30, 2004
Laser circular saw
CHERVON INTERNAT TRADING CO LT13 citations84
USD498399SNov 16, 2004
Palm sander
CHERVON INTERNAT TRADING CO LT15 citations84
US7243433B2Jul 17, 2007
Laser level with adjustable laser projection line
CHERVON INTERNAT TRADING CO LT6 citations74
USD501777SFeb 15, 2005
Circular saw
CHERVON INTERNAT TRADING CO LT11 citations74
USD497530SOct 26, 2004
Auxiliary handle with laser level
CHERVON INTERNAT TRADING CO LT6 citations74
USD491080SJun 8, 2004
Laser level with adjustable laser projection line
CHERVON INTERNAT TRADING CO LT12 citations74