|
| Patents for D05B 71 - Lubricating or cooling devices for sewing machines (821) |
|---|
| 12/15/1981 | US4305339 Vortex tube assembly for cooling sewing machine needle | | 08/25/1981 | US4285293 Combined needle guard/needle cooler for sewing machine | | 08/18/1981 | US4284019 Lubricant sealing device for sewing machines | | 02/12/1981 | EP0020571A4 Needle lubricator system. | | 01/20/1981 | US4245575 Lubrication system for sewing machine | | 01/07/1981 | EP0020571A1 Needle lubricator system. | | 05/01/1980 | WO1980000854A1 Needle lubricator system | | 03/18/1980 | US4193364 Needle cooler | | 05/15/1979 | US4154182 Sewing machine with a cooling system | | 03/27/1979 | US4145985 Sewing machine having a cooling air blower | | 10/31/1978 | US4122789 Sewing machine having an oil filter | | 06/20/1978 | US4095541 Sewing machine lubrication | | 03/21/1978 | US4079685 Lubricating oil seal on sewing machines | | 02/28/1978 | US4075960 Lubricating oil sealing device for a sewing machine | | 02/14/1978 | US4073251 Lubricating device for a rotary looptaker | | 02/14/1978 | US4073248 Upper roller feed mechanism for a sewing machine | | 01/10/1978 | US4067276 Control device for a sewing machine | | 12/13/1977 | US4062310 Cooling device for sewing machines | | 09/21/1976 | US3981257 Sewing machine lubrication system and pump therefor | | 05/11/1976 | US3955520 Sewing machine loop taker mounting | | 01/20/1976 | US3933104 Cutting mechanism for sewing machine |
|