Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5000014 | Needle selection device for circular knitting machines The device includes at least one selection lever, one end whereof is arranged laterally facing the needle cylinder at the level of a heel of selection elements accommodated in the grooves of the needle cylinder below the selectors or sub-needles. The sele... | 03/19/1991 |
| 4860557 | Needle selection system for a circular knitting machine The selection system is based on a reciprocal action of a selector jack for each needle and operative cams, such that each selector jack may not be selected or may be selected one or two times during its engagement with one same operative cam, owing to th... | 08/29/1989 |
| 4539825 | Device selecting the needles on the dial plate of either single or multiple feed, single cylinder circular knitting machines for the manufacture of ribbed fabric A device for selecting the needles on the dial plate of single cylinder circular knitting machines for the manufacture of ribbed fabric, said device comprising a coaxial sleeve secured on top of the dial plate and revolving with the dial plate and, as man... | 09/10/1985 |
| 4385507 | Yarn feeding and changing apparatus for circular knitting machines Yarn feeding and changing apparatus for multi-feed sinker top circular knitting machines having a single circle of needles, wherein a yarn striper box is placed within the needle circle at each feed of the machine to provide a circle of boxes, and wherein... | 05/31/1983 |
| 4041731 | Patterning units for circular knitting machines A patterning unit for a circular knitting machine which comprises an outer cylindrical pattern drum which is axially tricked around its periphery, the tricks being circumferentially spaced apart at the same pitch as the knitting instruments in the cylinde... | 08/16/1977 |
| 4036033 | Plural cam tracks for rockable jacks A circular knitting machine with rockable jacks has cams for displacing butts of the jacks along tricks in a needle cylinder, and means for rocking the jacks to provide an interruption in a guide track for certain jacks so that their other butts project a... | 07/19/1977 |
