Dwight D. Back
25Patents
12h-index
16Co-inventors
78Inventor score
Filing activity: Mar 17, 1995 → May 2, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5868937A | Process and system for recycling and reusing gray water | Emerging Cross-Sectional Technologies | 104 | Expired |
| US5993684A | Composition and method for de-icing and anti-icing surfaces | Chemistry; Metallurgy | 34 | Expired |
| US6303039A | Method for treating water over an extended time using tablets and packets | Chemistry; Metallurgy | 33 | Expired |
| US5632904A | Water disinfection method using metal-ligand complexes | Chemistry; Metallurgy | 28 | Expired |
| US6269667A | Clothes washer and dryer system for recycling and reusing gray water | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6327731A | Clothes washer and dryer system for recycling and reusing graywater | Emerging Cross-Sectional Technologies | 22 | Expired |
| US8418530B1 | Compositions and methods for detecting leaks in HVAC/R systems | Physics | 17 | Active |
| US6170320A | Method of introducing an additive into a fluid system, especially useful for leak detection, as well as an apparatus for leak detection and a composition useful for leak detection | Emerging Cross-Sectional Technologies | 16 | Expired |
| US8556968B2 | Breast implant with low coefficient of friction between internal shells in an aqueous fluid environment | Human Necessities | 13 | Active |
| US5922926A | Method and system for the destruction of hetero-atom organics using transition-alkaline-rare earth metal alloys | Human Necessities | 13 | Expired |
| US6286304A | Noble gas storage and delivery system for ion propulsion | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6327897A | Method of introducing an in situant into a vapor compression system, especially useful for leak detection, as well as an apparatus for leak detection and a composition useful for leak detection | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6638431B2 | Formulation and method for treating wetted surface elements in climate control systems | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6576473B1 | Removable test kit and method of use for vapor compression systems | Physics | 9 | Expired |
| US6301876A | Noble gas storage and flow control system for ion propulsion | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6429561B1 | Magnetic bearing system and method of controlling magnetic bearing system | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7429557B2 | Replacement solvents having improved properties and methods of using the same | Chemistry; Metallurgy | 6 | Expired |
| US6136373A | Method for coating reactive metal alloy powders and their use in decomposing and immobilizing organic compounds | Performing Operations; Transporting | 4 | Expired |
| US6437005B1 | Active topical skin protectants using polymer coated metal alloys | Human Necessities | 3 | Expired |
| US7846332B1 | Apparatus and method for self-heating and self-hydrating foods and beverages | Emerging Cross-Sectional Technologies | 2 | Active |
| US8062528B2 | Apparatus and method for self-heating and self-hydrating foods and beverages | Emerging Cross-Sectional Technologies | 2 | Active |
| US7998916B2 | Replacement solvents having improved properties and methods of using the same | Chemistry; Metallurgy | 1 | Active |
| US7960331B2 | Replacement solvents having improved properties and methods of using the same | Chemistry; Metallurgy | 1 | Active |
| US5607653A | Process and apparatus for oxidizing and neutralizing caustic waste to liquid fertilizer | Performing Operations; Transporting | 1 | Expired |
| US11589978B2 | Method and apparatus for testing breast implants | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.