| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations | |
| #2 | Shaping clay | |
| #3 | Unspecified technologies | |
| #4 | Pipes | |
| #5 | Installations for obtaining water |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnson Jeremy I | 9 |
| #2 | Reynolds Dean W | 9 |
| #3 | Allen James R | 6 |
| #4 | Mckernan Timothy J | 4 |
| #5 | Peters Kyle Thomas | 1 |
| #6 | Vrondran Kevin S | 1 |
| #7 | Beal Scott B | 1 |
| #8 | Brennan Patrick Francis | 1 |
| #9 | Wright Kevin J | 1 |
| #10 | Hoogerhyde Eric Nelson | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2019257055A1 | Skirt for forming an access hatch in concrete | |
| US2016097181A1 | Explosion mitigating vault | |
| CA2855200A1 | Explosion mitigating cover | |
| US2015330062A1 | Removable fire hydrant nozzle with improved locking structure | |
| US2014169876A1 | Explosion mitigating cover | |
| US2014250794A1 | Floating manhole frame assembly | |
| US8727659B1 | Manhole cover with insert | |
| US8714867B1 | Explosion mitigating cover |