Is a baseball batting tee patented?

Short answer: specific designs of a baseball batting tee have been patented many times, but "a baseball batting tee" as a general idea is not what is protected. What matters is the exact combination of features in your version.

What our index shows

74 US and WO patent publications since 2000 have a title matching “batting tee” or a close variant (our index of 9.7 million patent families; one publication per family).
Among the 73 best keyword matches we examined, 20 were published in 2020 or later, and the earliest was published in 2000.
Most frequent assignees in those matches: ROBOSPORT TECH LLC (3), SCOTT PHILLIP (2), KELLER STEVE (2), NEWMAN TODD H (2).
Most common patent classes (CPC subclasses): A63B (73), G09B (1), G16H (1), G02B (1).

Counts come from keyword matching on titles and abstracts, so they are indicative, not a legal count. Some matches are different products that share a word.

14 real patent publications related to a baseball batting tee

Ball-projecting batting tee US-11612800-B1 2023 · SMITH TRAVIS
The ball-projecting batting tee comprises a support base, a support column, and a remote control. The ball-projecting batting tee may be a batting practice aid that may be placed on top of home plate and may pneumatically project …
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Folding Baseball Base with Attachable Batting Tee US-2021387066-A1 2021 · AO JIE PLASTIC TOYS FACTORY LTD
A folding plate for baseball that can be used either independently or as part of a batting tee assembly. The base has a center panel and two flap panels that are attached to opposite sides of the center panel with hinged connectio…
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Wearable batting tee system and use thereof US-10315091-B1 2019 · SCOTT PHILLIP
A wearable baseball tee having a tee device for holding a ball at a position away from the body of the user. The wearable baseball tee is configured to be worn on the body of a user and allows the user to swing a bat at the ball h…
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Baseball practice batting tee US-9889359-B2 2018 · OUELLETTE PHILIP ROLAND
Improvements in a baseball practice batting tee that allows a person to strike a baseball off the top of the tee. The height of the tee can be from one or more adjustment mechanisms. The mechanism can be from finite detents with a…
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Baseball batting tee US-9827475-B2 2017 · PRO PERFORMANCE SPORTS LLC
A batting tee has a post including a ball holder on a top end of a post, and a tube cap on a bottom end of the post. A receptacle is positioned in a recess in a base frame having a through hole. The tee is set up for use by passin…
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Automated T-Ball batting tee baseball stand for little league teams US-2016325151-A1 2016 · COYNE LAWRENCE EDWARD
Automated T-Ball batting tee baseball stand for little league teams is disclosed. Having an automated stand with remote control and foot switches speeds up play of little league games and practice by removing the physical time it …
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Batting tee for baseball and softball US-2015231470-A1 2015 · KANNER DAVID
A batting tee. A plurality of legs is pivotally connected to a base. A bottom support tube is rigidly connected to the base. A height adjustment tube is inserted into the bottom support tube. The height of the height adjustment tu…
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Baseball holder for a batting tee US-8858369-B2 2014 · MURPHY LUKE
A baseball holder for a batting tee is disclosed. The baseball holder includes a body to couple the baseball holder to the batting tee, and a plurality of supporting members that extend out from the body to suspend a baseball. The…
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Hand Held Baseball or Softball Batting Tee US-2012165135-A1 2012 · FISCHER SANDY
A batting tee or batting training device comprising of a handle adapted so that is can be held by a person other than the batter, a ball-holding section which includes a ball-holding apparatus, sleeve, or cone to hold the baseball…
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Baseball/softball batting tee US-8246492-B2 2012 · GANGELHOFF JOEL T
A baseball/softball batting tee has a base, and one or more support post and ball holding assemblies mounted in a substantially vertical orientation on the base. A primary support post and ball holding assembly has an adjustable h…
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Articulating batting tee US-7641573-B2 2010 · CECH FREDERICK
A fully articulated batting tee including a first support post with a telescoping stem for height-adjustable support of a baseball. The first support post extends downward from the ball to the ground to provide a first point of gr…
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Baseball/softball batting tee US-2007010353-A1 2007 · HUANG CHEN-HUI
A batting tee for baseball and softball; adjustable depending on the size and age of the individual player; safer to use; portable; and allowing intensive training is essentially comprised of an “L”-shaped tee, a telescoping and f…
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Durable batting tee for baseball US-6682445-B1 2004
An improved batting tee uses an elongated split washer to provide friction between telescoping parts in the stem without requiring tightening adjustments by a user, an elongated rounded grommet at the top of the tee to provide sta…
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Batting tee for maximizing bat to ball contact US-6099418-A 2000
A batting tee device for training a batter to contact a pitched baseball only along an optimal line of contact, the batting tee including a tee member for holding a ball to batted above a ground surface and a base member for suppo…
View on Google Patents

What this means for your idea

Because patents cover specific combinations of features, the useful question is not “has a baseball batting tee been patented?” but “has my combination of features been described before?” Sports equipment patents tend to cover the grip, impact absorption, training feedback, and how gear is adjusted.

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Guides that help with this

First-look landscape. Not exhaustive. Not legal advice. This page lists keyword-matched publications from a limited database; it does not say whether any product is or isn't covered by a patent, whether a patent is still in force, or whether your idea is patentable. Consult a registered patent attorney or agent.