Bal Seal Engineering, LLC
135Patents
110Active
135Granted
57Portfolio score
Filing activity: Jun 11, 1993 → Sep 5, 2023 · 31 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5545842A | Radially mounted spring to connect, lock and unlock, and for snap-on fastening, and for mechanical, electromagnetic shielding, electrical conductivity, and thermal dissipation with environmental sealing | Emerging Cross-Sectional Technologies | 113 | Expired |
| US5411348A | Spring mechanism to connect, lock and unlock, members | Emerging Cross-Sectional Technologies | 110 | Expired |
| US6161838A | Cartridge seal stack | Mechanical Engineering; Lighting; Heating | 92 | Expired |
| US7195523B2 | Electrical conductive path for a medical electronics device | Electricity | 84 | Expired |
| US6835084B2 | Medically implantable electrical connector with constant conductivity | Electricity | 79 | Expired |
| US7055812B2 | Canted coil springs various designs | Mechanical Engineering; Lighting; Heating | 74 | Expired |
| US8480437B2 | Connector cartridge stack for electrical transmission | Emerging Cross-Sectional Technologies | 74 | Active |
| US5984316A | Rotary reciprocating seals with internal metal band | Mechanical Engineering; Lighting; Heating | 68 | Expired |
| US5979904A | Rotary reciprocating seals with exterior metal band | Mechanical Engineering; Lighting; Heating | 60 | Expired |
| US6264205A | Rotary cartridge seals with retainer | Mechanical Engineering; Lighting; Heating | 55 | Expired |
| US5474309A | Gasket assembly for sealing electromagnetic waves | Emerging Cross-Sectional Technologies | 54 | Expired |
| US7070455B2 | Stackable assembly for direct connection between a pulse generator and a human body | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5791638A | Coil spring with ends adapted for coupling without welding | Mechanical Engineering; Lighting; Heating | 51 | Expired |
| US6749358B2 | Connector for latching and carrying current capabilities with tooless connection | Emerging Cross-Sectional Technologies | 47 | Expired |
| US7914351B2 | Electrical connectors with improved electrical contact performance | Emerging Cross-Sectional Technologies | 46 | Active |
| US5992856A | Rotary, reciprocating seals with double spring and separating band rings | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US5503375A | Coil spring with ends adapted for coupling without welding | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5599027A | Gasket assembly for sealing electromagnetic waves | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6641141B2 | Self-contained anti-blowout seal for fluids or gases | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US6050572A | Rotary cartridge seals with retainer | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US9482255B2 | Multi-latching mechanisms and related methods | Emerging Cross-Sectional Technologies | 40 | Active |
| US7722415B2 | In-line connector | Emerging Cross-Sectional Technologies | 40 | Active |
| US8308167B2 | Locking mechanism with quick disassembly means | Emerging Cross-Sectional Technologies | 38 | Active |
| US5709371A | Coil spring with ends adapted for coupling without welding | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US7274964B2 | Use of an axial canted coil spring as an electrical contact to minimize resistivity variations under dynamic loads | Emerging Cross-Sectional Technologies | 35 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.