| Patents for B24B 19 - Single purpose machines or devices for particular grinding operations not covered by any other main group (7,169) |
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| 03/06/1979 | CA1049789A1 Drill grinding device |
| 02/13/1979 | US4138755 Polishing apparatus for electrolysis mother plate |
| 02/13/1979 | CA1048320A1 Machine for working metal surface |
| 02/13/1979 | CA1048319A1 Method and apparatus for shaping an airfoil |
| 02/08/1979 | WO1979000057A1 Device for machining the surface of workpieces having irregular contours |
| 01/30/1979 | US4136488 Honing machine |
| 01/23/1979 | US4136390 Grinding control system for forming non-circular punching tools |
| 11/07/1978 | CA1041767A1 Grinding machine for carbide cutting elements |
| 10/31/1978 | US4123072 Piston ring assembly and method of making same |
| 10/31/1978 | US4122634 Cam grinding machine |
| 10/24/1978 | US4121385 Cam grinding machine |
| 10/03/1978 | CA1039509A1 Grinding apparatus for commutators |
| 09/26/1978 | US4115959 Method for increasing the life of silicon carbide grinding wheels |
| 09/12/1978 | US4112626 Automatic deseaming apparatus for elongate block of metallic material |
| 08/15/1978 | US4106977 With wear-resistant layer for pistons of internal combustion engines |
| 07/25/1978 | US4102082 Cam grinding apparatus with means to maintain the grinding speed constant |
| 07/11/1978 | US4099349 Cam grinding machine with swing table support device |
| 07/04/1978 | US4098030 Method for forming a narrowed-electrode pickup stylus for video disc systems |
| 06/13/1978 | US4094105 Cam grinding machine with workpiece speed control |
| 04/11/1978 | US4083152 Apparatus for grinding of internal axially extending profiles |
| 02/28/1978 | US4075791 Automatic copying belt grinding machine |
| 02/07/1978 | US4071982 Method and implement for cleaning spring-contacts of a tuner |
| 01/24/1978 | US4069528 Dart-point sharpener and straightening device |
| 01/17/1978 | US4068414 Automatic flute grinding machine |
| 01/17/1978 | US4068412 Grinding machine |
| 01/10/1978 | US4067701 Grinding machine for carbide cutting elements |
| 12/27/1977 | US4064658 Brush roundator |
| 12/13/1977 | US4062659 Contouring magnetic head surfaces |
| 11/22/1977 | US4058869 Scrubbing apparatus for pottery greenware |
| 11/08/1977 | US4056900 Cam machining apparatus |
| 10/11/1977 | US4053287 Brake shoe grinding jig |
| 10/04/1977 | US4051636 Method and apparatus for grinding turbine and compressor blades to dimension |
| 09/27/1977 | US4050193 Grinding head for machining constant internal profiles |
| 09/20/1977 | US4048764 Method for micro-finish machining of compound, circular arc-shaped profiled surfaces in annular workpieces |
| 09/20/1977 | US4048761 Paper stick pointing apparatus |
| 09/20/1977 | US4048759 Turntable support structure for radius mills and the like |
| 09/13/1977 | US4047470 Machine for working metal surface |
| 09/13/1977 | US4047455 Method and apparatus for sharpening end of filament in vegetation filament-trimmer |
| 08/30/1977 | US4044509 Method of and device for grinding grooves |
| 07/05/1977 | US4033231 Apparatus for machining end housings |
| 05/24/1977 | US4024672 Apparatus for the micro-finish of cylindrical or conical surfaces |
| 04/05/1977 | US4015509 Method and apparatus for shaping an airfoil |
| 04/05/1977 | US4015370 Machine for grinding of peripheral surfaces on work pieces |
| 03/08/1977 | US4010574 Apparatus for contouring magnetic head surfaces and method therefor |
| 02/15/1977 | US4007562 Grinding apparatus for commutators |
| 02/01/1977 | US4005552 Apparatus for improved control of a grinding machine |
| 01/25/1977 | US4004377 Machine for forming a locator pin |
| 01/18/1977 | US4003166 Loading apparatus for a machine tool |
| 01/11/1977 | US4001978 Apparatus for shaping the edge of a blade element |
| 11/23/1976 | US3992823 Apparatus and methods for shaping recoil pads |
| 11/23/1976 | US3992822 Installation for polishing pieces of cutlery |
| 11/09/1976 | US3990189 Sanding machine for finishing grooves |
| 09/28/1976 | US3982356 Honing machine for finishing trochoidal bore of rotor housing of rotary engine |
| 09/14/1976 | US3979859 Method of making tooth generating tool |
| 08/24/1976 | US3975866 Method and apparatus for machining housings for slant axis rotary mechanisms |
| 08/24/1976 | US3975865 Fiber optic grinding and polishing tool |
| 08/24/1976 | US3975864 Grinding system |
| 08/17/1976 | US3974594 Elevator tee deburring device |
| 08/10/1976 | US3973361 Stylus grinding device for video disc player |
| 08/03/1976 | US3972148 Machine tool for finish-grinding the inner surfaces of annular workpieces |
| 07/27/1976 | US3971165 Ring manufacture, productive of face contact seal |
| 06/08/1976 | US3961391 Shoe-heel dressing or roughening machine |
| 06/01/1976 | US3959928 Apparatus for micro-finish machining of compound, circular arc-shaped profiled surfaces in annular workpieces |
| 05/11/1976 | US3955325 Abrading apparatus for the housing of a rotary engine |
| 04/13/1976 | US3949964 Electromechanically-operated valve |
| 04/06/1976 | US3948144 Peritrochoid curved surface generating apparatus |
| 03/16/1976 | US3943665 Apparatus for profile grinding closed curved surface |
| 03/09/1976 | US3942288 System for shaping and finishing wood chair seats |
| 01/27/1976 | US3934378 Mechanism for making roller-hub grooves |