John M. Simmons
50Patents
17h-index
21Co-inventors
84Inventor score
Filing activity: Dec 18, 1980 → Nov 20, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5452748A | Synchronized dual thread connector | Emerging Cross-Sectional Technologies | 119 | Expired |
| US6295918A | Suspended diaphragm | Mechanical Engineering; Lighting; Heating | 84 | Expired |
| US5622276A | Collapsible container/cooler apparatus | Performing Operations; Transporting | 70 | Expired |
| US5558506A | Pneumatically shifted reciprocating pump | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5676406A | Multiple synchronized thread fluid connector | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5893707A | Pneumatically shifted reciprocating pump | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US6505364B2 | Method and apparatus for covering an adjustable patient table | Human Necessities | 26 | Expired |
| US5503187A | Multiple synchronized thread connector | Emerging Cross-Sectional Technologies | 22 | Expired |
| US8430564B2 | Sliding counterbalanced C-arm positioning devices and methods for using such devices | Mechanical Engineering; Lighting; Heating | 22 | Active |
| US5906402A | Dual synchronized thread fluid connector cross-reference to related application | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7380685B2 | Containers, sleeves and lids therefor, assemblies thereof, and holding structure therefor | Performing Operations; Transporting | 21 | Expired |
| US6685443B2 | Pneumatic reciprocating pump | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US7029175B2 | Method and apparatus for object collision detection utilizing a PID controller in a motorized, mobile C-arm | Human Necessities | 19 | Expired |
| US6973688B2 | Method and apparatus for moving and locking a monitor in a patient support system | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US7458309B2 | Reciprocating pump, system or reciprocating pumps, and method of driving reciprocating pumps | Mechanical Engineering; Lighting; Heating | 18 | Active |
| US9693437B2 | Systems and methods for controlling X-ray imaging systems | Physics | 18 | Active |
| US7052421B2 | Belt tensioning system for use with a motorized mobile C-arm | Human Necessities | 17 | Expired |
| US6651693B2 | Check valve | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6553587B1 | Method and apparatus for alignment and orientation of a monitor in a patient support system | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6402206B1 | Fitting for plastic tubing | Emerging Cross-Sectional Technologies | 14 | Expired |
| US8899834B2 | Pivot joint brakes for X-ray positioning system | Human Necessities | 13 | Active |
| US6880691B2 | Release mechanism for enabling manual manipulation of a motorized C-arm | Human Necessities | 9 | Expired |
| US8465203B2 | Brake systems for C-arm positioning devices, apparatus containing the same and methods for using such systems | Human Necessities | 9 | Active |
| US8636484B2 | Bellows plungers having one or more helically extending features, pumps including such bellows plungers, and related methods | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US7059463B2 | Release mechanism for enabling manual manipulation of a motorized C-arm | Human Necessities | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.