Patents

The following Work Sharp, LLC products are protected by patents in the U.S. and elsewhere. This website is provided to satisfy the virtual patent marking provisions of various jurisdictions including the virtual patent marking provisions of the America Invents Act, and to serve as notice under 35 U.S.C ยง287(a). The following list of Work Sharp, LLC products may not be all-inclusive, and other products not listed here may be protected by one or more patents.

ProductUS PatentsOther PatentsMarking
WSEDCPVT (Pivot)US11192217, USD929841CN306635764PATENTED
WSEDCPVP (Pivot Plus)US11192217, USD929843CN306635763PATENTED
WSHHDPVT (Pivot Pro)US11192217, USD929842CN306379580SPATENTED
WSBCHBSS (Benchstone)US9216487PATENTED
WSBCHWHT (Whetstone)USD989591EU0087834920001, CN307357266SPATENTED
WSBCHPAJ (Precision Adjust)
WSBCHPAJ-ELT (Precision Adjust Elite)
US11498186, US11554456, USD986708, USD977324, USD987402,US USD985350CN307299563S, CN307218964S, CN307290311S, CN307307204SPATENTED
WSBCHPAJ-PRO (Pro Precision Adjust)PATENT PENDING
WSBCHAGS (Angle Set)USD944618PATENTED
WSGPS (Pocket Knife Sharpener)US9039494PATENTED
WSGFS (Guided Field Sharpener)US8790162, US9039494, US9216487, US9623533PATENTED
Benchmade GFSUS8790162, US9039494, US9623533PATENTED
WSGSS (Guided Sharpening System)US8790162, US9039494, US9216487, US9623533PATENTED
WSGSS Upgrade Kit (WSSA0003300)US8790162, US9623533PATENTED
Benchmade 50082US8790162, US9623533PATENTED
Benchmade 50080US8790162, US9623533PATENTED
Benchmade EDC Edge Maintenance ToolUSD911142, US11267103CN306110983SPATENTED
WSCMB (Combo Knife Sharpener)US8696407, US9731395, US9849556, US9956662, US10124458, USD829070PATENTED
WSKTS2 (Knife & Tool Sharpener MK.2)US8696407, US9731395, US8784162, US9358654, US9849556, US9956662, US10124458CA207819, CA207820, CN307310650S, CN307299579SPATENTED
WSKTS (Knife & Tool Sharpener)US8696407, US8784162, US8998680, US9358654, US9849556, US9956662, US10124458PATENTED
WSKTS-KO (Ken Onion Edition Knife & Tool Sharpener)US8696407, US9333612, US9358654, US9808901, US9849556, US9956662, US10124458, US10421171, USD723895, USD730137PATENTED
WSKTS-KO-ELT (Elite Knife Sharpening Solution)US8784162PATENTED
WS3000 (WS3000 Woodworking Tool Sharpener)US8512103, US9168626PATENTED
CPE5-NH (Professional Electric Kitchen Sharpener)US8696407, US9358654, US9731395, US9808902, US9808901, US9849556, US9956662, US10099336, US10124458, US10421171, USD852599, EP3414047, CN108698186APATENTED
E3WU (E3 Electric Knife Sharpener)US8696407, US9358654, US9731395, US9808902, US9808901, US9849556, US9956662, US10099336, US10124458, US10421171, USD852600EP3414047, CN108698186APATENTED
CPE2 (Electric Knife Sharpener)USD910398, US9302364, US9808902, US10099336, US10850361EP3414047, CN306291648S, CN108698186APATENTED
WSKTNKES (Kitchen Edge Knife Sharpener)US11192217GB6198773, EU009062920-0002, AU202211679PATENT PENDING
WSKTNCHR (Ceramic Honing Rod)GB6198774, EU009062920-0003, AU202211684PATENT PENDING
WSKTNPTS (Pull Through Knife Sharpener)GB6198772, EU009062920-0001, AU202211805PATENT PENDING
WSKTNRKS (Rolling Knife Sharpener)PATENT PENDING