John E. Hawes
11Patents
6h-index
14Co-inventors
63Inventor score
Filing activity: Jan 26, 1979 → Jul 26, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD687125S1 | Fluid end | General | 39 | Active |
| USD641382S1 | Stay rod for reciprocating pump | General | 31 | Expired |
| US6540833B1 | Moving head coating apparatus and method | Performing Operations; Transporting | 21 | Expired |
| USD706397S1 | Portion of fluid end | General | 13 | Active |
| US7160389B2 | System and method for cleaning and priming an extrusion head | Performing Operations; Transporting | 12 | Expired |
| US6387184B1 | System and method for interchangeably interfacing wet components with a coating apparatus | Performing Operations; Transporting | 9 | Expired |
| US6319323A | System and method for adjusting a working distance to correspond with the work surface | Performing Operations; Transporting | 6 | Expired |
| US6488041B1 | System and method for clean and priming extrusion head | Performing Operations; Transporting | 4 | Expired |
| US7169229B2 | Moving head, coating apparatus | Performing Operations; Transporting | 4 | Expired |
| US5110957A | Process for preparing 1,3-dioxolane ketones | Chemistry; Metallurgy | 1 | Expired |
| US4249015A | Preparation of organic acids and/or esters | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.