The Patent Finder

Vertical Tillage System

Blue Leaf I.P., Inc.

A patent family: one line of work, grouped by real continuity rather than by a technology label inferred from titles. 12 of these applications claim priority to application 11/946,310, filed Nov 28, 2007. A shared origin can cover several different claimed inventions, which is why members here may not share a title. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.
PatentTitleHolderStatusExpiresTime remainingConfidence
US 8,074,729Vertical Tillage System
In force
 · Medium confidence
Blue Leaf I.P., Inc.In force
Medium confidence
US 8,074,730Vertical Tillage System
In force
 · Medium confidence
Blue Leaf I.P., Inc.In force
Medium confidence
US 8,302,700Vertical Tillage System
In force
 · Medium confidence
Blue Leaf I.P., Inc.In force
Medium confidence
US 8,505,644Vertical Tillage System
In force
 · Medium confidence
Blue Leaf I.P., Inc.In force
Medium confidence
US 8,511,398Vertical Tillage System
In force
 · Medium confidence
Blue Leaf I.P., Inc.In force
Medium confidence
US 8,770,310Vertical Tillage System
In force
 · Medium confidence
Blue Leaf I.P., Inc.,In force
Medium confidence
US 8,807,237Vertical Tillage System
In force
 · Medium confidence
Blue Leaf I.P., Inc.,In force
Medium confidence
US 8,807,238Vertical Tillage System
In force
 · Medium confidence
Blue Leaf I.P., Inc.,In force
Medium confidence
US 9,033,063Vertical Tillage System
In force
 · Medium confidence
Blue Leaf I.P., Inc.In force
Medium confidence
US 10,015,921Vertical Tillage System
In force
 · Medium confidence
Blue Leaf I.P., Inc.In force
Medium confidence
4 more patents in this group · Pro
10 of 14 records shown. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.
Pro members see all 14, including 1 expired and 13 expiring within the 18 months from Nov 14, 2026.
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13 of these are in force and held by Blue Leaf I.P., Inc..
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited