| Issue Date |
Patent Name |
Technology Description |
| March 6, 1979 |
Digital Distance Measuring
Instrument |
Measures distance and displays
results on digital readout |
| January 1, 1980 |
Variable Resistance Type
Sensor Controlled Switch |
A circuit for controlling the
flow of pulsating direct current |
| July 8, 1980 |
Smoke Detecting Timer Controlled
Thermostat |
Detects temperature and smoke.
Alarm activates if smoke is detected. |
| March 3, 1981 |
Automatic Sprinkler Control |
Automatic water control valve
for maintaining soil moisture at present level |
| October 16, 1984 |
Thermal Energy Accumulation |
Pressurized fluid-powered thermodynamic
heat pump |
| April 9, 1985 |
Soil Moisture Potential
Determination by Weight Measurement |
Measures the level of moisture
within the soil |
| May 27, 1986 |
Squirt Gun |
Toy squirt gun that shoots a
continuous, high velocity stream of water. |
| February 16, 1988 |
Johnson Tube, A Thermodynamic
Heat Pump |
Pressurized fluid powered thermodynamic
heat pump |
| July 19, 1988 |
Flow Actuated Pulsator |
Generates consecutive pulses
of water from a continuous source |
| December 24, 1991 |
Pinch Trigger Pump Water
Gun |
Water gun releases water from
a reservoir that is pressurized with air |
| September 29, 1992 |
Double Tank Pinch Trigger
Pump Water Gun |
Water gun selectively releases
water from dual reservoirs pressurized with air |
| March 30, 1993 |
Liquid Jet Propelled Transporter
and Launcher Toy |
Pressurized air and water propelled
airplane with launcher |
| August 24, 1993 |
Pinch Trigger Hand Pump
Water Gun With Multiple Tanks |
Multiple tank water gun. |
| November 30, 1993 |
Wet Diaper Detector |
A musical nursery rhyme is activated
when a diaper becomes wet. |
| December 21, 1993 |
Combined Aerodynamic Glider
and Launcher |
The ornamental design for a combined
aerodynamic glider and launcher |
| March 8, 1994 |
Pinch Trigger Water Gun
With Rearwardly Mounted Hand Pump |
Water gun with a rearwardly mounted
hand pump |
|
|
|
| April 5, 1994 |
Hair Drying Curler Apparatus |
Hair rollers that simultaneously
dry and set hair without heat |
| April 26, 1994 |
Pinch Trigger Hand Pump
Water Gun With Non-Detachable Tank |
Water gun releases
water from an air pressurized, non-detachable water reservoir. |
| June 21, 1994 |
Low Pressure, High Volume
Pressurized Water Gun |
Water gun which shoots high volume
stream of water with a low pressure system |
| July 26, 1994 |
Water Arrow Projecting
Bow |
A pressurized toy bow that shoots
a water arrow |
| January 17, 1995 |
Pressurized Toy Rocket
With Rapid Action Release Mechanism |
A pressurized, air propelled
rocket and rocket launcher toy |
| March 7, 1995 |
Toy Airplane and Launcher |
Quick wind rubber band powered
toy airplane and launcher. |
| March 21, 1995 |
Fluid Pulsator with Accumulator
for Frequency Control |
A mechanism which generates consecutive pulses
of water from a continuous source with controlled frequency. |
| April 18, 1995 |
Toy Rocket with Velocity
Dependent Chute Release |
Toy rocket with a parachute release |
| May 16, 1995 |
Pressurized Air/Water Rocket
and Launcher |
A liquid jet propelled rocket
and rocket launcher |
| November 21, 1995 |
Wet Diaper Detector |
A musical nursery rhyme is activated
when a diaper becomes wet. |
| March 19, 1996 |
Fluid Powering and Launching
System for a Toy Vehicle |
A pressurized launching system
that uses fluid to control a toy vehicle. |
| July 23, 1996 |
Air Pressure Toy Rocket
Launcher |
A toy rocket launcher that uses
air pressure for power |
| July 30, 1996 |
Thermionic Generator |
A heat pump generator |
| August 27, 1996 |
Toy Rocket with Velocity
Dependent Chute Release |
Toy rocket with a parachute release |
| September 10, 1996 |
Pneumatic Launcher for
a Toy Projectile and the Like |
An air pressure controlled launching
system for toy projectiles |
| December 24, 1996 |
Electric Pump Toy Water
Gun |
An electric pump which pressurizes
air for a toy water gun |
| December 31, 1996 |
Double Tank Pinch Trigger
Pump Water Gun |
Water gun selectively releases
water from dual reservoirs pressurized with air |
| January 14, 1997 |
Compressed Air Gun with
Magazine Indexer |
A compressed air gun with multiple
barrels for housing projectiles |
| January 28, 1997 |
Rapid Fire Compressed Air
Gun |
A compressed air gun with an
actuator to control firing |
| May 6, 1997 |
Compressed Air Gun |
A compressed air gun with a pivotal
pump |
| August 5, 1997 |
Toy Rocket Launcher |
A pressurized toy rocket launcher |
| December 23, 1997 |
Rapid Fire Compressed Air
Gun |
A compressed air gun with an
actuator to control firing |
| December 30, 1997 |
Compressed Air Gun with
Single Action Pump |
A compressed air gun requiring
one pump to fire a projectile. |
| January 13, 1998 |
System for Detonating a
Percussion Cap in a Toy Projectile |
A means for deploying a percussion
cap in a toy projectile |
| January 20, 1998 |
Rapid Fire Compressed Air
Gun |
A compressed air gun with an
actuator to control firing |
| January 27, 1998 |
Hair Drying Curler Apparatus |
Hair rollers that simultaneously
dry and set hair without heat |
| March 10, 1998 |
Voice Activated Compressed
Air Toy Gun |
A compressed air gun that is
controlled by a voice activated triggering system |
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