A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
| Invention Title | |
|---|---|
| Oil can | View patent |
| Oil can | View patent |
| Oil can | View patent |
| Oil cup for lubricating engines | View patent |
| Oil cup for steam engines | View patent |
| Oil globe for steam chest | View patent |
| Oil press | View patent |
| Open front for stoves and fireplaces | View patent |
| Opening and closing device for window blinds | View patent |
| Opening and closing farm gates | View patent |
| Operating gun carriages | View patent |
| Operating railway switches | View patent |
| Operating valves of steam engines | View patent |
| Ordnance | View patent |
| Organ action | View patent |
| Organ pipe | View patent |
| Ornamental connection of the parts of iron fences | View patent |
| Ornamental fire place | View patent |
| Oscillating engine | View patent |
| Oscillating pump | View patent |
| Oscillating steam engine | View patent |
| Oval tin bottom cutter | View patent |
| Oven | View patent |
| Oven plate for cooking stoves | View patent |
| Overhead conducting system for electric railways | View patent |