DIFFERENTIAL DRIVE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 1 filings. The WikiTrademarks Expansion Score is 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 15, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 74637141 | DIFFERENTIAL DRIVE | Feb 22, 1995 | Abandoned | 009 Electronics & Software | HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED |
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FAQ: DIFFERENTIAL DRIVE trademark portfolio
What trademarks does DIFFERENTIAL DRIVE hold?
DIFFERENTIAL DRIVE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software). The most recent filings are registered to HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED.
How many trademarks does DIFFERENTIAL DRIVE have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DIFFERENTIAL DRIVE. The brand has been actively filing since February 1995. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DIFFERENTIAL DRIVE file most often?
DIFFERENTIAL DRIVE's most active class is NICE Class 9 (Electronics & Software), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DIFFERENTIAL DRIVE trademark?
The most recent filings under the DIFFERENTIAL DRIVE mark are registered to HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DIFFERENTIAL DRIVE expanding into new categories?
The current WikiTrademarks Expansion Score for DIFFERENTIAL DRIVE is 0 out of 100, which is low — the brand is focused on defending its existing categories rather than expanding. The score combines NICE class breadth, filing velocity, and the rate of cross-class movement from the brand's filing history.
How can I track new DIFFERENTIAL DRIVE trademark filings?
Click the Watch Brand button at the top of this page to add DIFFERENTIAL DRIVE to your Watchlist. New filings show up on your WikiTrademarks dashboard within 24 to 48 hours of being public, alongside any class expansions, status changes, or assignment events.
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