Flow Industries, Ltd.
29Patents
3Active
29Granted
37Portfolio score
Filing activity: Feb 11, 1976 → Dec 23, 2010 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4806869A | An above-ground arrangement for and method of locating a discrete in ground boring device | Physics | 115 | Expired |
| US4435902A | Articulated boom water jet cutting apparatus | Emerging Cross-Sectional Technologies | 75 | Expired |
| US4648215A | Method and apparatus for forming a high velocity liquid abrasive jet | Performing Operations; Transporting | 67 | Expired |
| US4306627A | Fluid jet drilling nozzle and method | Fixed Constructions | 44 | Expired |
| US4697769A | Method and apparatus for controlling bound vortices in the vicinity of lifting surfaces | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4026322A | Reciprocating pump check valve assembly | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4081200A | Method and apparatus to remove structural concrete | Fixed Constructions | 38 | Expired |
| US4780064A | Pump assembly and its method of operation | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US4313570A | High pressure cutting nozzle with on-off capability | Performing Operations; Transporting | 29 | Expired |
| US4660773A | Leakproof high pressure nozzle assembly | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US4371001A | Check valve assembly | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4437525A | Hand held water drilling apparatus | Fixed Constructions | 25 | Expired |
| US4401345A | Hydraulic borehole mining system | Fixed Constructions | 23 | Expired |
| US4854091A | Abrasive swivel assembly and method | Performing Operations; Transporting | 22 | Expired |
| US4124359A | Electrostatic precipitator | Performing Operations; Transporting | 22 | Expired |
| US4669783A | Process and apparatus for fragmenting rock and like material using explosion-free high pressure shock waves | Fixed Constructions | 20 | Expired |
| US4540056A | Cutter assembly | Fixed Constructions | 19 | Expired |
| US4665944A | On-off dump valve | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4029440A | High pressure fluid intensifier and method | Electricity | 17 | Expired |
| US4669760A | Swivel fitting arrangement for use in a pressurized fluid line | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4081892A | Method of making composite structure | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4536135A | High pressure liquid piston pump | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4936059A | Abrasive swivel assembly and method | Performing Operations; Transporting | 14 | Expired |
| US7770638B2 | Method for completion, maintenance and stimulation of oil and gas wells | Fixed Constructions | 7 | Active |
| US4649963A | Ultra-high pressure hose assembly | Performing Operations; Transporting | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.