Daniel N. Campau
59Patents
16h-index
11Co-inventors
81Inventor score
Filing activity: Feb 20, 1976 → Oct 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4398965A | Method of making iron golf clubs with flexible impact surface | Human Necessities | 456 | Expired |
| US6257626A | Connector for fluid handling system | Mechanical Engineering; Lighting; Heating | 206 | Expired |
| US3989248A | Golf club having insert capable of elastic flexing | Human Necessities | 185 | Expired |
| US4420156A | Iron-type golf clubs | Human Necessities | 166 | Expired |
| US5542605A | Automatic liquid dispenser | Human Necessities | 66 | Expired |
| US5197708A | Tubing pinch valve device | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US5181540A | Electric multi-point positioner | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6443496B2 | Connector for fluid handling system | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US4819577A | Fluid flow indicator | Physics | 27 | Expired |
| US6311727A | Diverter valve | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4527593A | Apparatus and system for filling one or more containers with a liquid to a predetermined level | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5284176A | Battery refill system | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4515178A | Liquid level control device | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5876639A | Livewell and baitwell aerator | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4532962A | Metering apparatus for dispensing precise volumes of liquid | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5634592A | Flow control apparatus and method for making same | Human Necessities | 16 | Expired |
| US5090442A | Field repairable apparatus for use in filling containers to a predetermined level | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5832946A | Low profile battery refill system | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5353957A | Apparatus and method for controlled dispensing of a liquid | Fixed Constructions | 13 | Expired |
| US4927568A | Apparatus for aerating water in a container | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4708084A | System for distributing water flow between a reservoir and a water source | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4522228A | Fluidic level control system | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4589441A | System for controlling liquid flow | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4484601A | Liquid level control device | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6834888B2 | Connector | Human Necessities | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.