United States of America as represented by the Secretary of the Air Force
19,647Patents
5,962Active
19,647Granted
53Portfolio score
Filing activity: Feb 25, 1936 → Oct 31, 2024 · 1,562 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5281274A | Atomic layer epitaxy (ALE) apparatus for growing thin films of elemental semiconductors | Emerging Cross-Sectional Technologies | 701 | Expired |
| US5225366A | Apparatus for and a method of growing thin films of elemental semiconductors | Emerging Cross-Sectional Technologies | 649 | Expired |
| US5823778A | Imaging method for fabricating dental devices | Physics | 576 | Expired |
| US4756794A | Atomic layer etching | Electricity | 562 | Expired |
| US5104514A | Protective coating system for aluminum | Chemistry; Metallurgy | 534 | Expired |
| US5111401A | Navigational control system for an autonomous vehicle | Physics | 473 | Expired |
| US6344232B1 | Computer controlled temperature and oxygen maintenance for fiber coating CVD | Chemistry; Metallurgy | 464 | Expired |
| US4857912A | Intelligent security assessment system | Physics | 441 | Expired |
| US6242324A | Method for fabricating singe crystal materials over CMOS devices | Electricity | 436 | Expired |
| US5757358A | Method and apparatus for enhancing computer-user selection of computer-displayed objects through dynamic selection area and constant visual feedback | Physics | 398 | Expired |
| US5013681A | Method of producing a thin silicon-on-insulator layer | Emerging Cross-Sectional Technologies | 379 | Expired |
| US5653807A | Low temperature vapor phase epitaxial system for depositing thin layers of silicon-germanium alloy | Emerging Cross-Sectional Technologies | 377 | Expired |
| US5334205A | Sacroiliac joint fixation guide | Human Necessities | 354 | Expired |
| US5511122A | Intermediate network authentication | Electricity | 354 | Expired |
| US5456207A | Synthesis of triisopropylindium diisopropyltelluride adduct and use for semiconductor materials | Chemistry; Metallurgy | 348 | Expired |
| US8052794B2 | Directed reagents to improve material uniformity | Chemistry; Metallurgy | 347 | Active |
| US5189606A | Totally integrated construction cost estimating, analysis, and reporting system | Emerging Cross-Sectional Technologies | 347 | Expired |
| US4130872A | Method and system of controlling a jet engine for avoiding engine surge | Physics | 333 | Expired |
| US6905680B2 | Methods of treating HIV infected subjects | Chemistry; Metallurgy | 323 | Expired |
| US6887466B2 | Methods for selectively stimulating proliferation of T cells | Chemistry; Metallurgy | 322 | Expired |
| US6905681B1 | Methods for selectively stimulating proliferation of T cells | Chemistry; Metallurgy | 320 | Expired |
| US7398946B1 | Power line sentry charging | Emerging Cross-Sectional Technologies | 315 | Expired |
| US5180309A | Automated answer evaluation and scoring system and method | Physics | 314 | Expired |
| US6266704A | Onion routing network for securely moving data through communication networks | Electricity | 304 | Expired |
| US7714536B1 | Battery charging arrangement for unmanned aerial vehicle utilizing the electromagnetic field associated with utility power lines to generate power to inductively charge energy supplies | Emerging Cross-Sectional Technologies | 299 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.