WERNER TECHNOLOGIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E06C LADDERS 114
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 247
 
  
 
E04G SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS121
 
  
 
E06B FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES 144

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7165649 Positioning system for folding ladder and method of installation of folding ladder using positioning systemAug 07, 03Jan 23, 07[E06C]
D531322 Ladder topJul 22, 05Oct 31, 06[]
D530025 Ladder topJul 22, 05Oct 10, 06[]
7044270 Posting ladderJun 30, 04May 16, 06[E06C]
6994184 Stowable ladder configured for installation in an openingDec 12, 03Feb 07, 06[E06C]
6991063 Stowable ladder configured for installation in an openingAug 07, 03Jan 31, 06[E06C]
6145618 Ladder system and method of climbing having a rail with a non-linear slotJan 26, 96Nov 14, 00[E04G]
6142255 Ladder, member for connecting a rail to a horizontal element of a ladder, and methodJun 05, 97Nov 07, 00[E06C]
D422717 Ladder topMay 13, 99Apr 11, 00[2504]
D413990 Front face of a ladder topNov 05, 98Sep 14, 99[2504]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7100739 Step stool, hinge and methodExpiredMay 14, 04Sep 05, 06[E06C]
D372105 Ladder pail shelfExpiredMay 18, 95Jul 23, 96[]
5503245 Step ladderExpiredSep 16, 94Apr 02, 96[E06C]
D355994 Castle-style climbing equipment displayExpiredJun 29, 93Mar 07, 95[]
5370203 Ladder shoe spur plateExpiredJan 28, 93Dec 06, 94[E06C]
D351557 Ladder cartonExpiredApr 15, 93Oct 18, 94[]
D340773 Ladder topExpiredJan 26, 90Oct 26, 93[]
D340291 Ladder pail shelfExpiredJul 12, 91Oct 12, 93[]
D332569 Packaging carton for a ladderExpiredNov 22, 89Jan 19, 93[]
5050706 Ceiling ladderExpiredAug 10, 90Sep 24, 91[E04F]
D310884 Cover for tops of laddersExpiredSep 24, 87Sep 25, 90[]

Top Inventors for This Owner

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