Steelcase Strafor

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A47C CHAIRS 152
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169
 
  
 
G05G CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY 131

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5915788 Multi-function control for chairApr 10, 97Jun 29, 99[A47C, F16C, G05G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6146046 Multidirectional connecting deviceExpiredDec 16, 97Nov 14, 00[A47B]
5934204 System for joining two parts along the facing planar surfaces thereofExpiredFeb 19, 98Aug 10, 99[A47B]
5755490 Office chair structureExpiredFeb 04, 97May 26, 98[A47C]
5339576 System of modulable wallsExpiredDec 01, 92Aug 23, 94[E04B]
5328289 System for positioning and retaining an article of modular furnitureExpiredNov 20, 92Jul 12, 94[A47B]
5318259 Column adapted to be used in a modular construction systemExpiredJul 24, 92Jun 07, 94[A47B]
5291643 System for positioning and maintaining a plate upon a surfaceExpiredDec 03, 92Mar 08, 94[A47B, B23Q]
5277131 Device for receiving guiding, protecting and concealing the electrical power leads in a piece of furniture supporting electrical and electronic appliancesExpiredJun 26, 92Jan 11, 94[A47B]
D342166 Combined chair and tableExpiredOct 16, 90Dec 14, 93[]
5253595 Modular system for office furnitureExpiredMar 05, 93Oct 19, 93[A47B]
D337448 ChairExpiredJan 16, 91Jul 20, 93[]
D335398 ArmchairExpiredOct 16, 90May 11, 93[]
D333352 PartitionExpiredNov 10, 88Feb 16, 93[]
D330302 Furniture legExpiredNov 10, 88Oct 20, 92[]
5144896 Device for receiving, guiding, protecting, and concealing the electric power leads in a piece of furniture supporting electric and electronic appliancesExpiredDec 03, 90Sep 08, 92[A47C]
D321407 Luminaire for a wall partition or the likeExpiredFeb 22, 89Nov 05, 91[]
D319935 DeskExpiredNov 10, 88Sep 17, 91[]
D316151 Extension panelExpiredFeb 22, 89Apr 09, 91[]
D315960 Glazed extension panelExpiredFeb 22, 89Apr 02, 91[]
4981326 Ergonomic chairExpiredSep 19, 88Jan 01, 91[A47C]

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