| 414 / | HD | MATERIAL OR ARTICLE HANDLING |
|
| 800 |  | PROCESS {13} |
| 801 | DF | .~> Of moving intersupporting articles into, within, or from freestanding, orderly layered, or mutually stabilizing orderly group {1} |
| 803 | DF | .~> Of loading or unloading marine system |
| 804 | DF | .~> Of material charging or discharging of a chamber of a type utilized for a heating function |
| 805 | DF | .~> Of moving material between zones having different pressures and inhibiting change in pressure gradient therebetween |
| 806 | DF | .~> Of charging load-holding or -supporting element from source and transporting element to working, treating, or inspecting station |
| 807 | DF | .~> Of charging or discharging plural static structures for supporting discrete loads and utilizing charging or discharging means therefor |
| 808 | DF | .~> Of charging or discharging, or facilitating charging or discharging of static receptacle |
| 809 | DF | .~> Of loading or unloading load-transporting type vehicle and external means cooperating in loading or unloading thereof |
| 810 | DF | .~> Of emptying portable receptacle {1} |
| 812 | DF | .~> Of charging or discharging self-loading or unloading vehicle {1} |
| 814 | DF | .~> Of loading or unloading elevator or hoist and including loading or unloading means therefor |
| 815 | DF | .~> Including vertically swinging load support |
| 816 | DF | .~> Of reorienting article |