Howard Martin
48Patents
19h-index
2Co-inventors
71Inventor score
Filing activity: Jan 17, 1978 → Jul 18, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7360495B1 | Method for planter depth monitoring | Emerging Cross-Sectional Technologies | 131 | Active |
| US4785890A | Ground-driven rotary row cleaner | Emerging Cross-Sectional Technologies | 127 | Expired |
| US5497717A | Furrow closing device | Human Necessities | 108 | Expired |
| US7360494B2 | Apparatus for planter depth monitoring | Emerging Cross-Sectional Technologies | 94 | Active |
| US7946231B2 | Single arm row cleaner | Emerging Cross-Sectional Technologies | 77 | Active |
| US4330278A | Endodontic flow-through ultrasonic instrument holder device | Emerging Cross-Sectional Technologies | 58 | Expired |
| US4392827A | Self-contained root canal heated condenser dental instrument | Human Necessities | 55 | Expired |
| US4731019A | Diamond coated scaler dental instrument for ultrasonic operation | Human Necessities | 55 | Expired |
| US6270343A | Endodontic thermal condenser dental instrument | Human Necessities | 47 | Expired |
| US4552531A | Gauged root canal condenser spreader | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4190958A | Endodontic drill-file | Human Necessities | 42 | Expired |
| US5507351A | Cleaner for tined wheels | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5026284A | Apex root canal file | Human Necessities | 29 | Expired |
| US5284875A | Fortified quarternary ammonium compound with dual synergistic phenols | Human Necessities | 23 | Expired |
| US4684346A | Endodontic access bur with extended diamond coat and method for using | Human Necessities | 23 | Expired |
| USD373636S | Root canal handpiece | General | 23 | Expired |
| US4661061A | Four sided root canal rasp for root canal preparation | Human Necessities | 23 | Expired |
| US5648403A | Antimicrobial gutta percha cone | Human Necessities | 21 | Expired |
| US7481171B2 | Single disc liquid fertilizer opener | Emerging Cross-Sectional Technologies | 20 | Active |
| US5322856A | Fortified glutaraldehyde chemical sterilant/disinfectant | Human Necessities | 19 | Expired |
| US5646197A | Antimicrobial root canal sealer | Human Necessities | 18 | Expired |
| US4295827A | Endodontic flow through ultrasonic instrument holder attachment | Human Necessities | 18 | Expired |
| US6264471A | Length control marked gutta-percha cones and method of insertion | Human Necessities | 17 | Expired |
| US4983635A | Fortified quaternary ammonium compound with dual synergistic phenols | Human Necessities | 16 | Expired |
| US8069798B2 | Multi diameter gauge wheel | Human Necessities | 15 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.