| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 20 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Blanchard Frederick W | 12 |
| #2 | Stewart Thomas Mcavity | 3 |
| #3 | Stirling Frederick D | 2 |
| #4 | Mcavity George Clifford | 1 |
| #5 | Southard William Edwin Sr | 1 |
| #6 | Bradfield Richard H | 1 |
| #7 | Hoyt James S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA475373A | Waste disposal traps | |
| CA230262A | Capacity block for inspirators | |
| CA402052A | Locomotive safety device | |
| CA442932A | Washout plug | |
| CA500542A | Brazed joints for pipe and tubing installations | |
| CA251770A | Valve | |
| CA523486A | Gate valves | |
| CA344428A | Wheel flange lubricator | |
| CA364754A | Valve | |
| CA436531A | Position-indicating handle | |
| CA333262A | Locomotive cab lamp | |
| CA230432A | Check valve | |
| CA461907A | Valve | |
| CA332036A | Valve | |
| CA450602A | Water level indicating installation | |
| CA448317A | Pipe joint | |
| CA463337A | Wheel-flange lubricator | |
| CA417856A | Blow-off valve | |
| CA442931A | Washout and arch tube plug | |
| CA464057A | Locomotive whistle |