Inventor

John D. Witzigreuter

Inventor

Kennesaw, GA, US

Overview

1999–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 43 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Mprimary

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy24%

B25CHand-held nailing or stapling tools23%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution15%

F41BWeapons for projecting missiles without use of explosive or combustible propellant charge11%

F04BPositive-displacement machines for liquids5%

Y10TTechnical subjects covered by former us classification5%

F41AFunctional features or details common to both smallarms and ordnance, e.g. cannons3%

H01RElectrically-conductive connections3%

A61BDiagnosis2%

A61MDevices for introducing media into, or onto, the body2%

PatentTitleYear

10,955,215Projectile launching apparatus2021 10,946,504Fastener driving apparatus2021 10,751,865Impacting apparatus2020 9,962,821Fastener driving apparatus2018 9,555,530'Fastener driving apparatus'2017 8,939,341'Fastener driving apparatus'2015 8,875,969'Fastener driving apparatus'2014 8,800,834'Fastener driving apparatus'2014 8,523,035'Fastener driving apparatus'2013 8,518,014'Surgical suction instrument'2013 RE044001'Fastener driving apparatus'2013 8,079,504'Fastener driving apparatus'2011 7,984,708'Projectile launching apparatus'2011 7,882,829'Small projectile launching air gun'2011 7,793,811'Fastener driving apparatus'2010 7,730,881'Portable electric motor driven compressed air projectile launcher'2010 7,712,462'Portable electric-driven compressed air gun'2010 7,686,003'Manually powered projectile launcher'2010 7,604,556'Chalk marking projectile'2009 6,981,888'Lockable electric power cord adapter'2006 6,875,040'Lockable electric power cord adapter'2005 6,857,422'Portable electric driven compressed air gun'2005 6,794,074'Air manager for metal-air cells'2004 6,769,593'Synchronous drive pin clutch'2004 6,766,935'Modified electrical motor driven nail gun'2004 6,759,159'Synthetic jet for admitting and expelling reactant air'2004 6,705,503'Electrical motor driven nail gun'2004 6,660,418'Electrical device with removable enclosure for electrochemical cell'2003 6,604,666'Portable electrical motor driven nail gun'2003 6,475,658'Air manager systems for batteries utilizing a diaphragm or bellows'2002 6,464,215'Vibration damping mount for a metal-air battery or the like'2002 6,461,765'Metal-air cell housing with improved peripheral seal design'2002 6,461,763'Battery cartridge'2002 6,436,564'Air mover for a battery utilizing a variable volume enclosure'2002 6,361,294'Ventilation system for an enclosure'2002 6,346,341'Air delivery system with volume-changeable plenum for metal-air battery'2002 6,265,094'Anode can for a metal-air cell'2001 6,248,464'Air-managing system for metal-air battery using resealable septum'2001 6,242,121'Primary metal-power source and ventilation system for the same'2001 6,168,877'Air-managing system for metal-air battery using resealable septum'2001 6,068,944'Air distributors for metal-air cells'2000 6,051,328'Method and apparatus for joining metal-air cells'2000 5,891,589'Method and apparatus for joining metal-air cells'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2003Patents assigned to AER ENERGY RESOURCES INC (13)· patent assignee history

1999–2001Based in Dallas, GA, US· patent location history

2001–2010Based in Kennesaw, GA, US· patent location history

2003–2021Patents assigned to TRICORD SOLUTIONS INC (17)· patent assignee history

2004Based in Kennesan, GA, US· patent location history

2009–2021Based in Canton, GA, US· patent location history

2010–2017Patents assigned to WITZIGREUTER JOHN (8)· patent assignee history

2010–2011Patents assigned to IMPULSE SOLUTIONS LLC (3)· patent assignee history

2011–2017Patents assigned to PEDICINI CHRISTOPHER (7)· patent assignee history

2011Based in Woodstock, GA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TRICORD SOLUTIONS INC	17	2003–2021
AER ENERGY RESOURCES INC	13	1999–2003
WITZIGREUTER JOHNself	8	2010–2017
PEDICINI CHRISTOPHER	7	2011–2017
IMPULSE SOLUTIONS LLC	3	2010–2011

Locations

Location	Patents	Span
Kennesaw, Georgia, US	20	2001–2010
Canton, Georgia, US	17	2009–2021
Dallas, Georgia, US	4	1999–2001
Woodstock, Georgia, US	1	2011
Kennesan, Georgia, US	1	2004