Inventor
Harold Randall Smart
Inventor
Portsmouth, RI, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Kprimary
F16KValves16%
G05BControl or regulating systems in general16%
F15BSystems acting by means of fluids in general13%
Y10TTechnical subjects covered by former us classification13%
F01DNon-positive displacement machines or engines, e.g. steam turbines6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
Y02TClimate change mitigation technologies related to transportation6%
E01FAdditional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like3%
F21SNon-portable lighting devices3%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems3%
PatentTitleYear
10,851,502Solar powered illuminated safety marker and improved housing therefor202010,670,054Constructing valve positioners for hazardous areas202010,488,855System and method to monitor characteristics of an operating fluid in a process line20199,803,777'Attenuating device for valve assembly'20179,638,344'System and method to monitor characteristics of an operating fluid in a process line'20179,304,053'System to monitor performance of packing material in a seal'20167,493,195'Fluid regulation control'20097,480,487'Power regulation for field instruments'20096,957,127'Dynamic current-to-pneumatic converter and pneumatic amplifier'20055,993,162'Ramped dovetail rails for rotor blade assembly'19995,431,542'Ramped dovetail rails for rotor blade assembly'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–1999Patents assigned to UNITED TECHNOLOGIES CORP (2)· patent assignee history
1995–1999Based in Hebron, CT, US· patent location history
2005–2019Patents assigned to DRESSER INC (7)· patent assignee history
2005–2020Based in Portsmouth, RI, US· patent location history
2019–2020Patents assigned to Dresser LLC (2)· patent assignee history
2020Patents assigned to SMART SAFETY MARKER LLC (1)· patent assignee history
2020Based in Oklahoma City, OK, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DRESSER INC | 7 | 2005–2019 |
| Dresser LLC | 2 | 2019–2020 |
| UNITED TECHNOLOGIES CORP | 2 | 1995–1999 |
| SMART SAFETY MARKER LLC | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Portsmouth, RI, US | 8 | 2005–2020 |
| Hebron, CT, US | 2 | 1995–1999 |
| Oklahoma City, OK, US | 1 | 2020 |