Patent Information

View a list of WillowWood patents.

VIRTUAL PATENT MARKING
The following WillowWood 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. The following list of WillowWood products may not be all inclusive, and other WillowWood products not listed here may be protected by one or more patents. In accordance with Section 287(a) of Title 35 of the United States Code, the reader is hereby placed on notice of The Ohio WillowWood Company’s rights in the United States Patents listed on this site and associated with the following products:

Alpha Original, Spirit, Max and Pediatric Cushion Liners, 6 & 9mm – US Patent Nos. 8,523,951; 9,265,629.

Alpha Original, Spirit, Max and Pediatric Cushion Liners, 3mm – US Patent Nos. 8,523,951; 9,265,629.

Alpha AK Cushion Liners – US Patent Nos. 8,523,951; 9,265,629.

Alpha Original, Spirit, Max, and Pediatric Locking Liners, 6 & 9mm – US Patent Nos. 8,523,951; 6,964,688; 9,265,629.

Alpha Original, Spirit, Max, Pediatric, and Upper Extremity Locking Liners, 3mm – US Patent Nos. 8,523,951; 6,964,688; 9,265,629.

Alpha AK Locking Liners – US Patent Nos. 8,523,951; 6,964,688; 9,265,629.

Alpha Select Cushion Liners – US Patent Nos. 8,523,951; 9,265,629.

Alpha Select Locking Liners – US Patent Nos. 8,523,951; 8,317,873; 9,265,629; 6,964,688.

Alpha Silicone Locking Liners and WillowWood Express Locking Liners with Select Fabric – US Patent Nos. 6,964,688; 8,317,873.

WillowWood Express Locking Liners – US Patent No. 6,964,688.

Alpha Silicone AK Locking Liners – US Patent No. 6,964,688.

Alpha DESIGN Liner: Because of the custom nature of WillowWood’s DESIGN Liners, any given DESIGN Liner may be covered by one or more of the following patents depending upon the construction and configuration of the individual DESIGN Liner - US Patent Nos. 8,523,951; 8,317,873; 7,162,322; 6,964,688.

Alpha Original / Flex / Spirit Suction Seals – US Patent No. 6,406,499;  EP Cert 0955964.

Alpha SmartTemp Cushion Liners – US Patent No. 7,488,773; EP Cert 1492629; Canada: Pat 2,474,069

Alpha SmartTemp AK Cushion Liners – US Patent No. 7,488,773; EP Cert 1492629; Canada: Pat 2,474,069

Alpha SmartTemp Locking Liners – US Patent Nos. 6,964,688; 7,488,773; 8,317,873; EP Cert 1492629; Canada: Pat 2,474,069

Alpha SmartTemp AK Locking Liners – US Patent Nos. 6,964,688; 7,488,773; EP Cert 1492629; Canada: Pat 2,474,069

Alpha SmartTemp Liners (fabricless) - US Patent No. 7,488,773; EP Certs 1492629; Canada Patent No. 2,474,069; other patents pending

Alpha Basic Cushion Liners – US Patent Nos. 8,523,951; 9,265,629.

Alpha Basic Locking Liners – US Patent Nos. 8,523,951; 6,964,688; 9,265,629.
 

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LimbLogic Vacuum System – US Patent Nos. 8,016,892; 7,947,085; 7,914,586 (distal version); Canada Pats 2,611,492; 2,682,201 (distal version and side mount version); other patents pending

LimbLogic Communicator – for use under US Patent No. 8,242,879, 8,653,937

WillowWood One Sealing System - patents pending

Pathfinder II - US Patent Nos. 6,602,295; 6,863,695; EP Cert 1,187,583

Fusion – US Patent Nos. 8,317,877; 8,900,326

Trailblazer Foot – US Patent No. 6,719,807; Trailblazer utilizes US Patent 6,719,807 and EP Patent Application 01303759.3 under license from Chas. A. Blatchford & Sons Ltd

Trailblazer MA Ankle - US Patent Nos. 7,563,288; 7,833,287

Impulse & Earthwalk 2 Ankles - US Patent No. 7,112,227; GB 2449007
 

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Alpha Locking Lanyard – for use under US Patent No. 6,797,008

Alpha Lock - US Patent Nos. 6,267,787; 6,605,118

G-Lock & Mini G-Lock - US Patent Nos. 6,605,118; 6,679,921

Suction Pyramid, Pediatric Titanium Suction Pyramid, Suction Spacer Plate, and Alpha Interlock - for use under US Patent No. 6,063,125

Suction Pro - For use under US Patent Nos. 6,287,345.

GeoLite & GeoFlex Knee - US Patent No. 5,800,567; EP Cert 0955962

OMEGA Tracing Hardware – for use under US Patent Nos. 6,144,386; 6,236,743


The foregoing list of The Ohio Willow Wood Company products may not be all inclusive, and other The Ohio Willow Wood Company products not listed here may be protected by one or more patents. Additional patents may be pending in the United States and elsewhere.

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Patent List

WillowWood has the rights to the following patents. Other patents may be pending.

U.S. Patents
5,800,567
6,063,125
6,144,386
6,236,743
6,267,787
6,287,345
6,290,730
6,406,499
6,602,295
6,605,118
6,679,921
6,699,295
6,749,640
6,797,008
6,863,695
6,964,688
7,112,227
7,159,842
7,162,322
7,447,558
7,485,152
7,563,288
7,833,287
7,870,005
7,914,586
7,947,085
8,016,892
8,242,879
8,317,873
8,317,877
8,523,951
8,652,217
8,653,937
7,488,773
8,900,326
9,265,629                                    return to top of list

European Patents
955,962
0,955,964
1,159,936
1,187,583
2,378,391
2,449,007
1492629

Canadian Patents
2,474,069
2,611,492
2,682,201                                      return to top of list