Paul Wayne Schmidt
54Patents
11h-index
7Co-inventors
71Inventor score
Filing activity: Jul 30, 1973 → May 10, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4732222A | Ram boring machine with impact blade piston | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US4938297A | Ram boring machine | Fixed Constructions | 34 | Expired |
| US4018290A | Hydraulically driven vibrator | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4221157A | Pneumatically operated percussion boring apparatus | Fixed Constructions | 22 | Expired |
| US4250972A | Pneumatic ram boring device | Fixed Constructions | 18 | Expired |
| US4671703A | Apparatus for driving pipes through the ground | Fixed Constructions | 17 | Expired |
| US10458446B1 | Material flow amplifier | Mechanical Engineering; Lighting; Heating | 16 | Active |
| US4295533A | Pneumatically operated ram borer | Fixed Constructions | 12 | Expired |
| US10302104B2 | Helix amplifier fittings | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US4871034A | Rammer | Fixed Constructions | 11 | Expired |
| US4249620A | Method of boring holes which are open at both ends in the ground | Fixed Constructions | 11 | Expired |
| US5148878A | Ram boring machine | Fixed Constructions | 10 | Expired |
| US11002301B1 | Material flow modifier and apparatus comprising same | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US10844887B1 | Fluid flow enhancing device and culvert comprising same | Emerging Cross-Sectional Technologies | 7 | Active |
| US4650374A | Apparatus for driving pipes through the ground | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4747695A | Centrifugal stirring apparatus | Performing Operations; Transporting | 7 | Expired |
| US10683881B1 | Material flow amplifier | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US3970157A | Ram-borer apparatus | Fixed Constructions | 7 | Expired |
| US11247758B1 | Propulsion enhancing device and watercraft comprising same | Performing Operations; Transporting | 6 | Active |
| US4100979A | Pneumatic percussion boring device | Fixed Constructions | 6 | Expired |
| US10895274B2 | Material flow amplifier | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US10890200B2 | Clamshell material flow amplifier | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US4133395A | Earth boring assembly with drag pipe | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4460050A | Pipe driving attachment | Emerging Cross-Sectional Technologies | 5 | Expired |
| US11378110B1 | Flexible fluid flow modifying device | Mechanical Engineering; Lighting; Heating | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.