Inventor

Kun-Shan Hsu

Inventor

Chiayi, TW

Overview

16→

Patents

1991–2017

Patent span

Performing operations

Primary field (CPC B)

Patents· 16 as inventor

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

B66Fprimary

B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load38%

F15BSystems acting by means of fluids in general8%

LOC128%

LOC158%

B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general4%

B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided for4%

B66CCranes4%

F04BPositive-displacement machines for liquids4%

F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges4%

F16KValves4%

PatentTitleYear

9,702,382'Oil hydraulic cylinder and spindle thereof'2017 8,366,077'Jack structure for a clutch'2013 8,205,861'Carrying rack of an engine'2012 8,056,575'Check valve structure for use in pump of hydraulic cylinder'2011 7,171,807'Oil circuitry for two-stage telescoping transmission jack'2007 7,036,796'Portable lifting jack'2006 6,722,634'Joint between a first cylinder and a second cylinder of a hydraulic jack to allow the second cylinder to drive the arm directly'2004 D0480196'Hoisting jack'2003 6,295,812'Hydraulic jack'2001 D0444606'Jack'2001 D0429737'Pressure pump'2000 D0422284'Air cylinder'2000 5,775,672'Release valve for lifting devices'1998 5,568,117'Combined electric pump and illuminating/alarm device'1996 5,496,014'Motorized screw jack assembly'1996 5,074,728'Drill-coexistent screw'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to HSU KUN SHAN (1)· patent assignee history

1996Based in Chia Yi, TW· patent location history

2000–2013Patents assigned to HSU KUN-SHAN (4)· patent assignee history

2000Patents assigned to KUAN MIN-YUAN (1)· patent assignee history

2000–2007Based in Chiai, TW· patent location history

2000Based in Taichung, TW· patent location history

2001–2017Based in Chiayi, TW· patent location history

2001Based in Jhubei City, TW· patent location history

2006–2007Patents assigned to NORCO IND INC (2)· patent assignee history

2013Patents assigned to CHIN JIH SHERN IND CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HSU KUN-SHANself	4	2000–2013
NORCO IND INC	2	2006–2007
CHIN JIH SHERN IND CO LTD	1	2013
HSU KUN SHANself	1	1991
KUAN MIN-YUAN	1	2000

Locations

Location	Patents	Span
Chiayi, TW	7	2001–2017
Chiai, TW	3	2000–2007
Chia Yi, TW	2	1996
Jhubei City, TW	1	2001
Taichung, TW	1	2000