Inventor

Bruce E. Knuth

Inventor

Marshall, WI, US

Overview

9→

Patents

2005–2018

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 9 as inventor

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

F15Bprimary

F15BSystems acting by means of fluids in general26%

Y10TTechnical subjects covered by former us classification26%

F04BPositive-displacement machines for liquids11%

F16CShafts11%

F16KValves11%

B01DSeparation5%

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 load5%

LOC155%

PatentTitleYear

9,856,892'Cylinder having a floating piston, swivel cap, and lubricated rod'2018 8,876,490'Hydro-pneumatic system with pressure limiting valve'2014 8,689,823'Hydro-pneumatic system with pressure limiting valve'2014 8,496,449'Air driven hydraulic pump'2013 8,491,707'Fluid storage tank configured to remove entrained air from fluid'2013 8,430,122'Fluid tank with contamination containment system'2013 D0573608'Hydraulic pump'2008 7,343,846'Actuator having external load supporting member'2008 6,863,502'Variable speed hydraulic pump'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2014Patents assigned to ACTUANT CORP (6)· patent assignee history

2005–2014Based in Marshall, WI, US· patent location history

2013–2014Patents assigned to KNUTH BRUCE E (4)· patent assignee history

2013–2014Patents assigned to CHAN KAY LAP GILBERT (2)· patent assignee history

2013Patents assigned to HELGESEN DESIGN SERVICES LLC (2)· patent assignee history

2013–2014Patents assigned to STANFORD FRANTZ D (2)· patent assignee history

2013–2018Based in Oconomowoc, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ACTUANT CORP	6	2005–2014
KNUTH BRUCE Eself	4	2013–2014
CHAN KAY LAP GILBERT	2	2013–2014
HELGESEN DESIGN SERVICES LLC	2	2013
STANFORD FRANTZ D	2	2013–2014

Locations

Location	Patents	Span
Marshall, WI, US	5	2005–2014
Oconomowoc, WI, US	4	2013–2018