Progress Mfg. Inc.
26Patents
25Active
26Granted
51Portfolio score
Filing activity: Sep 24, 2004 → Jul 7, 2023 · 8 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8833789B2 | Sway control hitch | Performing Operations; Transporting | 48 | Active |
| US8499899B2 | Over-center clamping wheel chocks | Performing Operations; Transporting | 25 | Active |
| US8701842B2 | Trailer breakaway switch cable | Emerging Cross-Sectional Technologies | 17 | Active |
| US7025370B2 | Trailer hitch head and method of manufacturing | Performing Operations; Transporting | 16 | Expired |
| US7967320B2 | Attachment for a trailer hitch bracket | Performing Operations; Transporting | 13 | Active |
| US7934742B2 | Apparatus for raising a spring arm on a trailer hitch | Performing Operations; Transporting | 9 | Active |
| US8628107B2 | Dual-attachment system for a sway control hitch | Emerging Cross-Sectional Technologies | 9 | Active |
| US8550486B2 | Apparatus for leveling a trailer and dampening sway | Performing Operations; Transporting | 7 | Active |
| US9579940B2 | Rotating retainer clip for weight distribution hitch spring arm retaining pin | Performing Operations; Transporting | 5 | Active |
| US8500102B2 | Retractable jack foot | Emerging Cross-Sectional Technologies | 5 | Active |
| US8490999B2 | Trailer hitch system | Performing Operations; Transporting | 4 | Active |
| US8876085B2 | Jack foot retraction system | Emerging Cross-Sectional Technologies | 3 | Active |
| US10252588B2 | Trailer hitch system | Performing Operations; Transporting | 2 | Active |
| US11813904B2 | Trailer hitch system with scale ball mount | Physics | 2 | Active |
| US10800219B2 | Adjustable trailer hitch ball mount with integral lock | Performing Operations; Transporting | 2 | Active |
| US10675931B2 | Trailer bracket for sway control towing system | Performing Operations; Transporting | 2 | Active |
| US10960719B2 | Apparatus and method for measuring force on weight distribution hitches | Physics | 1 | Active |
| US9321434B2 | Retractable jack foot | Emerging Cross-Sectional Technologies | 1 | Active |
| US10252381B2 | Jack foot retraction system | Emerging Cross-Sectional Technologies | 1 | Active |
| US9844986B2 | Apparatus and method of installing an internal locking ring to reinforce an adjustable trailer hitch | Performing Operations; Transporting | 1 | Active |
| US8454047B1 | Speed hitch pin | Emerging Cross-Sectional Technologies | 1 | Active |
| US12415391B2 | System and method for attaching a trailer to a tow vehicle | Performing Operations; Transporting | 0 | Active |
| US12326355B2 | System and method for measuring weights of vehicles and trailers | Physics | 0 | Active |
| US11821781B2 | Apparatus and method for determining weight distribution | Physics | 0 | Active |
| US9352624B2 | System and method for reinforcing an adjustable trailer hitch | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.