Abram N. Spanel
17Patents
0Active
17Granted
33Portfolio score
Filing activity: May 29, 1974 → Sep 9, 1980
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4217061A | Tapered key coupling | Emerging Cross-Sectional Technologies | 46 | Expired |
| US4127078A | Yarn adjuster for controlling evenness of yarn tufts | Textiles; Paper | 40 | Expired |
| US4244309A | Method, means, and tufted product | Textiles; Paper | 40 | Expired |
| US4317419A | Method, means, and tufted product | Textiles; Paper | 34 | Expired |
| US3937157A | Method and means of tufting | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4047491A | Multi-color tufting machine | Textiles; Paper | 28 | Expired |
| US4254718A | Method and means of tufting | Textiles; Paper | 27 | Expired |
| US4064816A | Double select needle tufting machine | Textiles; Paper | 23 | Expired |
| US3937160A | Yarn control and feeding apparatus | Textiles; Paper | 20 | Expired |
| US4115659A | Electroacoustical telephone adapter | Electricity | 14 | Expired |
| US4062308A | Two-pile height yarn feed for conventional tufting machine | Textiles; Paper | 10 | Expired |
| US4180218A | Creel | Performing Operations; Transporting | 8 | Expired |
| US4249972A | Method for manufacturing girdles | Human Necessities | 6 | Expired |
| US4059021A | Apparatus for converting oscillatory motion to reciprocating motion | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4111136A | Yarn clamping apparatus | Textiles; Paper | 4 | Expired |
| US4109594A | Tufting machine malfunction detection device | Textiles; Paper | 4 | Expired |
| USRE30100E | Yarn control and feeding apparatus | General | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.