David W. Schulz
16Patents
11h-index
12Co-inventors
69Inventor score
Filing activity: Dec 10, 1979 → Dec 8, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4331284A | Method of making diffusion bonded and superplastically formed structures | Performing Operations; Transporting | 75 | Expired |
| US5597826A | Compositions containing sertraline and a 5-HT.sub.1D receptor agonist or antagonist | Human Necessities | 52 | Expired |
| US4306436A | Method and apparatus for regulating preselected loads on forming dies | Performing Operations; Transporting | 41 | Expired |
| US4642863A | Manufacturing method for hollow metal airfoil type structure | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6687681B1 | Method and apparatus for tax efficient investment management | Physics | 29 | Expired |
| US7031937B2 | Method and apparatus for tax efficient investment management | Physics | 26 | Expired |
| US4526312A | Low cost method of making superplastically formed and diffusion bonded structures | Performing Operations; Transporting | 20 | Expired |
| US4885451A | Automatic stepper for resistance welding | Performing Operations; Transporting | 13 | Expired |
| US4483478A | Method for fabricating superplastically formed/diffusion bonded aluminum or aluminum alloy structures | Performing Operations; Transporting | 13 | Expired |
| US4420958A | Method and apparatus for regulating preselected loads on forming dies | Performing Operations; Transporting | 12 | Expired |
| US5649439A | Tool for sealing superplastic tube | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4500033A | Method for expelling entrapped air from reactive metallic layups prior to diffusion bonding | Performing Operations; Transporting | 6 | Expired |
| US6081982A | End sealing for superplastic tube forming | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4717433A | Method of cooling a heated workpiece utilizing a fluidized bed | Chemistry; Metallurgy | 4 | Expired |
| US5988225A | Superplastic tubular part | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8688550B1 | Method and apparatus for leveraged tax efficient investment management | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.