Flint & Walling, Inc.
12Patents
2Active
12Granted
36Portfolio score
Filing activity: Jul 24, 1980 → Feb 28, 2019
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4335828A | Refuse container lid system | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4885084A | Nozzle/venturi with pressure differentiating bypass | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4966692A | Filtration system having flow control means and tank adapter with selective venting | Chemistry; Metallurgy | 27 | Expired |
| US4810174A | Motor and pump assembly | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4396353A | Submersible sump pump | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US4923367A | Submersible pump with plastic housing | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4373849A | Refuse container lift pocket | Performing Operations; Transporting | 16 | Expired |
| US4810918A | Rotor shaft with corrosion resistant ferrule for pumps motor | Electricity | 7 | Expired |
| US11035367B1 | Sump pump system with an electronic controller module secured in a sump pump power cord | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US4958096A | Governor and motor assembly | Electricity | 5 | Expired |
| US4608862A | Spline checking fixture | Physics | 5 | Expired |
| US11277081B2 | Device and method for switching in and out a start winding of a single phase ac motor | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.