Ayzik Grach
11Patents
6h-index
10Co-inventors
63Inventor score
Filing activity: Dec 7, 1987 → Oct 20, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6405810B1 | Method of lubricating and lubricant spraying apparatus | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4846045A | Expansible chamber motor | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US6923348B2 | Pump with pneumatic motor | Physics | 15 | Expired |
| US6736292B2 | Pneumatic reciprocating motor and grease gun incorporating same | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6719095B2 | Railroad track lubrication and monitoring thereof | Performing Operations; Transporting | 11 | Expired |
| US4879943A | Expansible chamber motor with snap-acting valve | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6286627A | Fluid dispensing apparatus | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4976192A | Reciprocating pump | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8087902B2 | Hydraulic device with a lubricating pump | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8052402B2 | Hand operated pump | Mechanical Engineering; Lighting; Heating | 1 | Active |
| USD628677S1 | Hand pump | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.