Spencer Wright Induatries, Inc.
103Patents
1Active
103Granted
39Portfolio score
Filing activity: Aug 3, 1976 → Oct 5, 2011
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5182997A | Tufting machine yarn feed roller assembly | Textiles; Paper | 66 | Expired |
| US6213036A | Tufting machine yarn feed pattern control | Textiles; Paper | 57 | Expired |
| US6263811A | Tufting machine for overtufting patterns | Textiles; Paper | 56 | Expired |
| US4138956A | Tufting needle modular unit | Textiles; Paper | 53 | Expired |
| US4522132A | Cut/loop hook for tufting machines | Textiles; Paper | 52 | Expired |
| US4313388A | Modular hook assembly for staggered needle cut pile tufting machines | Textiles; Paper | 50 | Expired |
| US4501212A | Tufting machines | Textiles; Paper | 50 | Expired |
| US4303024A | Tufting machine hook module | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6155187A | Tufting of level cut pile and loop pile in the same row of stitching | Textiles; Paper | 49 | Expired |
| US6446566B1 | Yarn feed for assembly for a tufting machine | Textiles; Paper | 48 | Expired |
| US4185569A | Method and apparatus for tufting even level cut pile and loop pile in the same row of stitching | Textiles; Paper | 47 | Expired |
| US4557208A | Method and apparatus for tufting patterned fabric | Textiles; Paper | 45 | Expired |
| US5899152A | Yarn feed system for a tufting machine | Textiles; Paper | 45 | Expired |
| US4353317A | Method and apparatus for tufting high and low pile in the same row of stitching | Textiles; Paper | 44 | Expired |
| US4134348A | Yarn feed roller assembly | Textiles; Paper | 42 | Expired |
| US4860674A | Tufting machine and method for producing level cut and loop pile | Textiles; Paper | 41 | Expired |
| US4134347A | Method and apparatus for tufting even level cut pile and loop pile in the same row of stitching | Textiles; Paper | 41 | Expired |
| US4397249A | Tufting machine hook for forming low pile fabric | Textiles; Paper | 40 | Expired |
| US4491078A | Tufting machine hook and knife mounting apparatus | Textiles; Paper | 39 | Expired |
| US4608935A | Tufting machine yarn feed roller assembly | Textiles; Paper | 39 | Expired |
| US4241676A | Tufting machine looper with clip | Textiles; Paper | 38 | Expired |
| US5662054A | Yarn fault detection for tufting machines | Textiles; Paper | 37 | Expired |
| US5509364A | Cut/loop module for tufting machines | Textiles; Paper | 37 | Expired |
| US4241675A | Modular gauge parts assembly for cut/loop tufting machines | Textiles; Paper | 37 | Expired |
| US4790252A | Selective needle tufting machines | Textiles; Paper | 36 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.