Virtual Patent Marking

A non‑exhaustive, regularly updated list of patents covering Knowles products.

KNOWLES PATENT NOTICE

Knowles is a market leader and global provider of advanced micro-acoustic, audio processing, and precision device solutions, serving the mobile consumer electronics, communications, medical, defense, aerospace, and industrial markets.

Knowles’ products or components thereof are covered by one or more patents listed under the corresponding product categories below.  This notice complies with the virtual patent marking requirement of the America Invents Act, 35 U.S.C. § 287(a). Knowles’ products and patents will be updated regularly. The list of Knowles’ products and patents may not be all inclusive, the absence of which shall not prevent enforcement of any patent rights. Additional patents may be pending in the U.S. and other countries.

Patents*

Filters

U.S. Pat. Nos. 9,490,768; and 9,812,750

Multi Layer Capacitors

U.S. Pat. No. 9,847,176; and 10,304,625

Resonators

U.S. Pat. No. 7,663,454

Single Layer Capacitors

U.S. Pat. No. 9,536,665

Electret Microphones

U.S. Pat. Nos. 7,706,559; 8,085,956; 8,229,140; 8,401,209; 8,890,615; 9,398,389; 9,590,571; and 9,859,879

Hearing Device Components & Accessories

U.S. Pat. No. 9,800,971

MEMS Microphones

Assembly: U.S. Pat. Nos. 8,018,049; 8,170,244; 8,594,347; 9,059,630; 9,078,063; 9,467,785; 9,491,539; 9,635,460; 9,743,167; 9,794,661; 9,883,270; 10,154,328; 11,259,104; 11,659,310; and 11,536,757 Process: U.S. Pat. Nos. 8,018,049; 9,635,460; and 10,154,328. MEMS Die: U.S. Patent Nos. 9,743,191; and 10,178,478. ASIC: U.S. Patent Nos. 9,343,455; 9,402,131; 9,743,167; 9,831,844; 9,843,292; 10,153,740; 10,559,293; 10,847,134; 11,095,990; and 11,536,757.

Audio Processors

U.S. Pat. Nos. 8,378,871; 8,405,532; 8,618,961; 8,965,942; 9,104,510; 9,119,150; 9,401,158; 9,437,188; 9,462,552; 9,508,345; 9,830,302; 9,961,443; 10,045,140; 10,311,127; 10,469,967; 10,908,880; 10,979,824; 11,025,356; 11,029,914; 11,061,642; 11,074,032; 11,184,011; and 11,184,729. SMART MICROPHONES U.S. Pat. Nos. 9,113,263; 9,478,234; 9,502,028; 9,554,214; 9,711,144; 9,711,166; 9,712,923; 9,830,080; 9,883,270; 10,020,008; 10,028,054; 10,313,796; 10,332,544; 10,631,099; and 11,172,312. Knowles Smart Microphones may also be covered by one or more MEMS Microphone patents and one or more Audio Processor patents. BALANCED ARMATURE RECEIVERS U.S. Pat. Nos. 7,203,334; 7,443,997; 7,680,292; 7,817,815; 7,921,540; 7,925,041; 8,027,492; 8,401,215; 8,494,209; 8,824,726; 9,137,605; 11,272,294; and 11,570,551

*Photos may not be reflective of actual patent usage

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