| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Brazil | 6 | |
| #2 | South Africa | 6 | |
| #3 | Australia | 5 | |
| #4 | EPO (European Patent Office) | 5 | |
| #5 | United States | 5 | |
| #6 | Spain | 4 | |
| #7 | Ireland | 4 | |
| #8 | Mexico | 3 | |
| #9 | Argentina | 2 | |
| #10 | Canada | 2 | |
| #11 | India | 2 | |
| #12 | Republic of Korea | 2 | |
| #13 | Switzerland | 1 | |
| #14 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Unspecified technologies | |
| #3 | Lubricating | |
| #4 | Shafts | |
| #5 | Pistons and sealings | |
| #6 | Locomotives | |
| #7 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Renk Richard J | 39 |
| #2 | Ebert Richard M | 36 |
| #3 | Boller George E | 18 |
| #4 | Ebert Richard Milton | 5 |
| #5 | Renk Richard John | 5 |
| #6 | Richard Milton Ebert | 2 |
| #7 | Richard John Renk | 2 |
| #8 | Embert Richard M | 1 |
| #9 | Renk Richard L | 1 |
| #10 | Ebert Richard E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5676221A | Gear case | |
| US5255815A | Filler cap | |
| US5038631A | Lubricant restricting device | |
| US5123297A | Lubricant retaining device | |
| US5082089A | Traction motor suspension bearing lubricator | |
| KR950008505B1 | Lubricant restricting device | |
| IE821806L | Lubricant retainer and gear case fitted therewith |