| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 30 | |
| #2 | Canada | 5 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machines | |
| #3 | Optics | |
| #4 | Materials and metallurgy | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Weighing | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Hand carts | |
| #5 | Optical systems | |
| #6 | Foundry moulding |
| # | Name | Total Patents |
|---|---|---|
| #1 | Singleton Lester D | 6 |
| #2 | Hadley Harlan A | 4 |
| #3 | Andrew Sonander | 4 |
| #4 | Barnes Lewis C | 3 |
| #5 | Hull Starr Morton | 2 |
| #6 | Roessler Jr Charles E | 2 |
| #7 | Eash John R | 2 |
| #8 | Fuiler Louis W | 1 |
| #9 | Hajos Eugene | 1 |
| #10 | Hinsman Carl B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2934730A | Electrical control | |
| GB916020A | Electrical signal transmitter | |
| US2898419A | Printed circuit digital read-out mechanism for weighing scales | |
| US2919644A | Printing hammers for printing devices for weighing scales | |
| US2934751A | Apparatus for effecting automatic batching of composite mixtures | |
| US2776133A | Vehicular beam scale | |
| US2809781A | Spark follow-up and remote control for combination weighing scales | |
| US2577820A | Recording scale | |
| US2637546A | Weighing scale | |
| US2611606A | Weighing scale | |
| US2617642A | Pendulum scale lock | |
| US2634965A | Locking mechanism | |
| US2647742A | Weighing scale | |
| US2634967A | Tape connection | |
| US2389108A | Scale | |
| US2368010A | Weighing scale | |
| US2300282A | Scale | |
| US2339758A | Recording weighing scale | |
| US2404562A | Recording scale | |
| US2197514A | Photoelectric attachment for scales |