1
Nikola Lakic: Inflatable sole lining for shoes and boots. Plante Strauss Vanderburgh & Connors, June 25, 1991: US05025575 (203 worldwide citation)

There is disclosed the combination of an inflatable inner sole and a supporting underlayment for footwear, such as a shoe, boot or sandal. The inflatable inner sole is formed of upper and lower plastic sheets having the shape and size of a sole and bonded together in a continous seam about their per ...


2
Nikola Lakic: Miniature universal pump and valve for inflatable liners. Robert E Strauss, December 8, 1998: US05846063 (170 worldwide citation)

There is disclosed a preform for an air pump and relief valve assembly which has an assembly body with a substantially flat bottom and molded entirely of a flexible plastic to form a bulbous extremity on one end of the body and open at its bottom and a relief valve recess adjacent the opposite end o ...


3
Nikola Lakic: Inflatable sole lining for shoes and boots. Plante Strauss Vanderburgh and Connors, February 12, 1991: US04991317 (167 worldwide citation)

There is disclosed an inflatable inner sole for a shoe or boot which is formed of upper and lower plastic sheets having the shape and size of a sole and bonded together in a continuous seam about their peripheral edges thereby forming a sealed interior. A plurality of this continuous seams are forme ...


4
Nikola Lakic: Inner shoe with heat engine for boot or shoe. Plante Strauss Vanderburgh, April 25, 1989: US04823482 (117 worldwide citation)

There is disclosed an inner shoe for a boot such as a ski boot which includes a foot warmer mechanism having a heat engine which includes a compressor, evaporator and condenser coils and interconnecting conduits for circulating a working refrigeration fluid. In a preferred embodiment, the cycle of t ...


5
Nikola Lakic: Inflatable sole lining for shoes and boots. Robert E Strauss, January 18, 2000: US06014823 (91 worldwide citation)

There is disclosed an inflatable lining for selected inner surfaces of footwear, such as a shoe, boot or sandal. The inflatable lining is formed of first and second plastic sheets having the shape and size of the selected inner surfaces, e.g., a sole, or any portion of the upper surfaces of the foot ...


6
Nikola Lakic: Shoe with foot warmer including an electrical generator. Plante Strauss Vanderburgh, November 8, 1988: US04782602 (86 worldwide citation)

There is disclosed an inner shoe for a molded ski boot which includes a foot warmer mechanism having an electrical resistance heater, an electrical generator, a mechanical translator to translate vertical movements of the wearer's heel into uni-directional rotational movement of a flywheel, and a ge ...


7
Nikola Lakic: Inflatable boot liner with electrical generator and heater. Plante Strauss Vanderburgh, July 4, 1989: US04845338 (58 worldwide citation)

An inner shoe for a boot such as a ski boot includes a foot warmer mechanism having an air system that includes an air bag which surrounds its instep area and communicates to a sealed chamber between the soles of the shoe. The air bag can be pressured to maintain a sense of tightness or security to ...


8
Nikola Lakic: Footwarmer for shoe. Plante Strauss Vanderburgh, July 12, 1988: US04756095 (54 worldwide citation)

There is disclosed a resilient spring and lever support for an inner sole of a shoe which can be used in combination with a new foot warmer mechanism, or can be used as an orthopedic foot support. The preferred embodiment is a foot warmer mechanism which has a pair of sole plates in rubbing friction ...


9
Nikola Lakic: Adjustable air cushion insole with additional upper chamber. Schmeiser Olsen & Watts, December 20, 2005: US06976321 (41 worldwide citation)

An inflatable inner sole for footwear has a flexible, inflatable enclosure with an inflation system that preferably includes an on-board air pump and a pressure relief valve. This embodiment has an additional upper chamber formed by heat sealing (welding) an outer layer of thermoplastic on top of an ...


10
Nikola Lakic: Inflatable lining for footwear with protective and comfortable coatings or surrounds. Joseph C Andras, David Allred, Myers Dawes & Andras, January 28, 2003: US06510624 (39 worldwide citation)

The invention is an inflatable inner sole for footwear which has a flexible, inflatable enclosure with an inflation system that preferably includes an on-board air pump and a pressure relief valve. In this invention the inner sole has a sheet and/or foam cover or surround on the flexible enclosure f ...