| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 294 | |
| #2 | Canada | 204 | |
| #3 | United Kingdom | 68 | |
| #4 | Germany | 59 | |
| #5 | Australia | 57 | |
| #6 | France | 53 | |
| #7 | Japan | 50 | |
| #8 | Brazil | 35 | |
| #9 | Italy | 33 | |
| #10 | Belgium | 27 | |
| #11 | Sweden | 24 | |
| #12 | EPO (European Patent Office) | 23 | |
| #13 | Switzerland | 22 | |
| #14 | Netherlands | 18 | |
| #15 | Mexico | 17 | |
| #16 | New Zealand | 12 | |
| #17 | South Africa | 10 | |
| #18 | Ireland | 8 | |
| #19 | Republic of Korea | 6 | |
| #20 | Luxembourg | 6 | |
| #21 | Denmark | 5 | |
| #22 | Spain | 5 | |
| #23 | India | 5 | |
| #24 | Argentina | 4 | |
| #25 | Austria | 1 | |
| #26 | China | 1 | |
| #27 | Norway | 1 | |
| #28 | Singapore | 1 | |
| #29 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Measurement | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Weighing | |
| #2 | Clutches and brakes | |
| #3 | Shafts | |
| #4 | Gearing | |
| #5 | Unspecified technologies | |
| #6 | Unspecified technologies | |
| #7 | AC and DC conversion devices | |
| #8 | Lubricating | |
| #9 | Pulse technique | |
| #10 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Loshbough Richard C | 55 |
| #2 | Heshmat Hooshang | 29 |
| #3 | Downey Holmes A | 29 |
| #4 | Pryor Edward G | 28 |
| #5 | Baumbach Bertram W | 22 |
| #6 | Gorski Paul T | 20 |
| #7 | Eddy Robert T | 19 |
| #8 | Hall Donivan L | 17 |
| #9 | Huff Robert O | 16 |
| #10 | Deitemeyer S A | 16 |
| Publication | Filing date | Title |
|---|---|---|
| US5495160A | Digital sine wave generator and motor controller | |
| CA1291193C | Bearing assembly | |
| US5028151A | Bearing assembly | |
| US5011301A | Auxiliary sealing system | |
| US5038892A | Lubrication apparatus | |
| US4875786A | Snap-ring with pin release seal | |
| US4976186A | Control system for mechanically adjustable speed motor drives | |
| US4832511A | High efficiency seal devices for shaft bearings | |
| US4863291A | Bearing assembly | |
| US4846260A | Cooling system | |
| US4928795A | Lubrication apparatus | |
| CA1279209C | Variable speed device | |
| US4862053A | Motor starting circuit | |
| CA1270628A | Means for securing a bearing to a shaft | |
| US4730951A | Drive coupling | |
| US4738151A | Pinion coupling | |
| US4765760A | Bearing assembly | |
| US4778000A | Cooling system | |
| US4733146A | Energy recovery system for cyclic drives | |
| US4744783A | Flexible shaft coupling |