| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Australia | 2 | |
| #4 | Canada | 2 | |
| #5 | Argentina | 1 | |
| #6 | Brazil | 1 | |
| #7 | Israel | 1 | |
| #8 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Foundations and excavations | |
| #3 | Sewers | |
| #4 | Shaping clay | |
| #5 | Pistons and sealings | |
| #6 | Shaping of plastics | |
| #7 | Certain plastics | |
| #8 | Fillers | |
| #9 | Unspecified technologies | |
| #10 | Machines for making railways |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gamble Jimmy D | 14 |
| #2 | Skinner James W | 6 |
| #3 | Slocum Robert R | 5 |
| #4 | Krueckeberg David Allen | 5 |
| #5 | Kaczmarczyk John M | 4 |
| #6 | Skinner Peter J | 3 |
| #7 | Morris Jacob L B | 3 |
| #8 | Kurdziel John M | 2 |
| #9 | Miller Michael R | 2 |
| #10 | Bergfeld Katherine A | 2 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020183811A | Pipe joint seal for polymer piping | |
| US2020347966A1 | Pipe joint seal for polymer piping | |
| US2020115858A1 | Rail tie pad | |
| US2019345675A1 | Vibration dampening railway tie boot | |
| US2018236688A1 | Hole former with gasket locating features for cast manhole structures | |
| US2017260734A1 | Manhole base assembly with internal liner and method of manufacturing same | |
| IL230320D0 | Expandable sealing mechanism |