Patent Information

Given our history of inventing many “firsts” – first dishwasher basket, first car seat protector (Seatsaver), first Seatneat (the Seatsaver of dining chairs), first roll down car shade, first babyview mirror, first safety foam for table edges, first stroller connectors, first illuminated changing pad, first completely odorless diaper pail, first baby/toddler bath that becomes a storage bin, etc. – Prince Lionheart continues to invent, design, manufacture and patent its innovative products in the US and around the world. Innovation is a part of our family’s heritage and will continue to remain a part of future Lionhearts for generations to come.

Virtual Patent Marking

As incorporated by §16 of the America Invents Act (AIA) and in accordance with 35 U.S.C. § 287(a), this page and the information contained herein provides notice of Prince Lionheart’s rights in the following United States Patents, and their foreign counterparts. The U.S. patent(s) that provide patent protection of these products are listed in association with the product name. Additional U.S. and Non-U.S. patent applications may be pending.

The following list of products is not exhaustive, and other products not listed here may be protected by one or more patents in the United States and elsewhere. Items listed below may be sold individually or as part of a combination product. Other products not listed herein may have patent markings placed on the particular product or packaging to provide adequate notice of its patent protection.

Product Name

Covered by the following US and International Patents

2 Stage® Seatsaver®

United States
6,786,546 | 7,422,278 | 7,681,292

International
1,359,052 (European Patent)

Ultimate™
Wipes Warmer

United States6,639,185 | 6,674,045 | 6,874,011 | 6,674,048

International
HK1055534 | HK1055535 | HK1056081 |HK1056082 |ZL0321421.2 | 60302175.108 (DE) | 1,358,831 (EU) | 3,097,546 (JP)

EVO™
Wipes Warmer

United States
6,639,185 | 6,674,045 | 6,874,011 | 6,674,048

International
HK1055534 | HK1055535 | HK1056081 |HK1056082 |ZL0321421.2 | 60302175.108 (DE) | 1,358,831 (EU) | 3,097,546 (JP)

Premium™
Wipes Warmer

United States
6,639,185 | 6,674,045 | 6,874,011 | 6,674,048

International
HK1055534 | HK1055535 | HK1056081 |HK1056082 |ZL0321421.2 | 60302175.108 (DE) | 1,358,831 (EU) | 3,097,546 (JP)

Wipes Warmer POP

United States
6,639,185 | 6,674,045 | 6,874,011 | 6,674,048

International
HK1055534 | HK1055535 | HK1056081 |HK1056082 |ZL0321421.2 | 60302175.108 (DE) | 1,358,831 (EU) | 3,097,546 (JP)

Ever-Fresh System®

United States
6,639,185 | 6,674, 048 | 6,847,011

International
HK1055534 | HK1055535 | HK1056081 |HK1056082

TWIST'R® Charcoal

United States
9,434,537 | 9,555,963

International
Foreign Patents Pending

TWIST'R® Diaper Disposal System United States

9,434,537 | 9,555,963

International
Foreign Patents Pending

My TWIST'R®

United States
9,434,537 | 9,555,963 | 9,745,125 | 9,969,550 | D792,964

International
Foreign Patents Pending

TWIST'R® Refill Bags

United States
9,434,537 | 9,555,963

International
Foreign Patents Pending

Faucet Extender

United States
D712,519

International
1,359,052 (European Patent)

Dishwasher Basket

United States
4,732,291 | D338,749 | 6,915,808 |6,910,488 | 6,814,091

International
0367559 | 0272795 (EU) | 536794 (CA)

On-the-Go
Bottle Warmer

United States
D343,732

International
Foreign Patents Pending

Illumipad®

United States
D615,626

International
DM/102787 | 62681616 (CH) | 2018-501198 (JP)