David A. Young
72Patents
19h-index
60Co-inventors
87Inventor score
Filing activity: Aug 11, 1976 → Apr 2, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4706429A | Permanent non-removable insulating type concrete wall forming structure | Fixed Constructions | 115 | Expired |
| US4866891A | Permanent non-removable insulating type concrete wall forming structure | Fixed Constructions | 113 | Expired |
| US4885888A | Insulating non-removable type concrete wall forming structure and device and system for attaching wall coverings thereto | Fixed Constructions | 87 | Expired |
| US4730422A | Insulating non-removable type concrete wall forming structure and device and system for attaching wall coverings thereto | Fixed Constructions | 82 | Expired |
| US5845347A | Method of manufacturing shower foundation | Human Necessities | 55 | Expired |
| US6128782A | Combination clothing/safety harness for fall arresting and rescue from confined spaces | Fixed Constructions | 44 | Expired |
| US4948198A | Knee-tilt chair control | Human Necessities | 32 | Expired |
| US6256789A | Combination garment and safety harness | Fixed Constructions | 29 | Expired |
| US6010189A | Synchronized chair seat and backrest tilt control mechanism | Human Necessities | 26 | Expired |
| US4211427A | Trailer hitch | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5988667A | Anti-rattle device for a trailer hitch | Performing Operations; Transporting | 24 | Expired |
| US6179184A | Hitch mounted cargo carrier | Performing Operations; Transporting | 22 | Expired |
| US5996869A | Hitch mounted cargo carrier | Performing Operations; Transporting | 22 | Expired |
| USD478860S1 | Universal cup holder | General | 22 | Expired |
| US6000756A | Synchronized chair seat and backrest tilt control mechanism | Human Necessities | 22 | Expired |
| US4815752A | Lift unit for weight distributing trailer hitch | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7398846B2 | Vehicle wheel system | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6202909A | Storable hitch mounted cargo carrier | Performing Operations; Transporting | 20 | Expired |
| US4404119A | Process for recovery of cobalt oxo catalysts | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6604658B1 | Reversible shank for hitch mounted accessory carriers | Performing Operations; Transporting | 19 | Expired |
| US6139103A | Synchronized chair seat and backrest tilt control mechanism | Human Necessities | 19 | Expired |
| US4852902A | Towing hitch cover | Performing Operations; Transporting | 18 | Expired |
| USD405744S | Trailer hitch receiver tube cover | General | 16 | Expired |
| US6357780B1 | Anti-rattle trailer hitch | Performing Operations; Transporting | 16 | Expired |
| US7455136B2 | Cooling system for a rearward portion of a vehicle and method of cooling | Emerging Cross-Sectional Technologies | 16 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.